EchoXen Review: Ingredients, Price, Refund and Who It Suits

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Quick answer

EchoXen is a swallowed liquid sold for hearing support at $49 to $79 a bottle, with a 60-day refund from receipt. Its label lists chromium and a 200 mg blend of 22 items, most of them energy and weight-loss ingredients, and none has a human study for tinnitus or hearing. A healthy adult with a hearing exam behind them can test it cautiously; most people should start with an audiologist.

On this page
  1. What exactly is EchoXen, and what does the sales page promise?
  2. How is EchoXen meant to work on hearing?
  3. What is inside an EchoXen bottle?
  4. Does EchoXen work for ringing ears or hearing loss?
  5. Which EchoXen side effects should you watch for?
  6. What is the EchoXen price for each package?
  7. Is there an EchoXen refund if it does not help?
  8. Where should you buy EchoXen?
  9. What do EchoXen reviews and complaints show?
  10. Which EchoXen ingredient list should you trust?
  11. Are there cheaper, better-tested options for ringing ears?
  12. Who might try EchoXen, and who should not?
  13. FAQ

EchoXen pros and cons

What we liked

  • The full Supplement Facts text is published on the seller's label page
  • Liquid dropper, nothing to swallow whole
  • 60-day return window in a written policy, with ClickBank as a second refund route
  • $49 a bottle on the 6-bottle package with free US shipping
  • One-time charge, no subscription

Watch out for

  • No ingredient on the label has human research for tinnitus or hearing
  • 22 items share a 200 mg blend, so every single dose is hidden
  • The formula reads like an energy and weight-loss blend
  • Contains caffeine sources, a licorice compound and grapefruit, which matter for blood pressure and some medicines
  • Returns are at your cost and used bottles may be refused; no single-bottle option
$49 a bottle (6-bottle package)Check the current price

This EchoXen review covers what we could verify on October 19, 2026: the sales page, the three price cards, the refund policy, the Supplement Facts text the seller publishes, and the human research on each listed ingredient. Daniel Brooks, the ProveNutra reviews editor, set every hearing claim beside guidance from the NIH and the American Academy of Otolaryngology. Our steps are written up in the ProveNutra review method.

The page is for adults with ringing ears or dulled hearing who are thinking about a $49 to $79 bottle of liquid drops. ProveNutra earns a commission if you buy through our links; it does not change what we report.

Six bottles of EchoXen liquid drops, the 3+3 package

Best price we found

EchoXen: $49 a bottle on 6

  • 1 to 2 droppers a day, swallowed, per the label
  • Chromium plus a 22-item blend, amounts not listed
  • $294 for 6 bottles, free US shipping on that package
  • 60 days from receipt to send it back

Check today’s price on the EchoXen site

Prices checked October 19, 2026 on goechoxen.com. Affiliate link.

EchoXen at a glance
What it is A liquid supplement in a 2 oz (60 ml) dropper bottle, labeled “Hearing Support Formula,” with 60 servings of 1 ml[2]
Seller’s main claim That it “targets the origin of ear health issues” for clearer hearing and comfort[1]
Ingredients Chromium plus a blend of maca, grape seed, guarana, African mango, green tea, gymnema, coleus, raspberry ketones, licorice compound, amino acids and more[2]
Doses Chromium 0.7 mcg; the other 22 items share a 200 mg proprietary blend with no single amounts[2]
Price $158 for 2 bottles plus shipping, $177 for 3, $294 for 6[1]
Guarantee 60 days from receipt; buyer pays return postage; used product may be refused[3]
Who should avoid it People who are pregnant or nursing, under 18, have high blood pressure, or take heart, blood pressure, diabetes or antidepressant medicine without a doctor’s OK[2][18][19][21]
ProveNutra infographic on EchoXen ingredient evidence. Tiles: 22 items in the proprietary blend; 200 mg total blend per 1 ml serving, about 9 mg each on an even split; 0 human trials of any label item for tinnitus or hearing. Evidence rows: any label item for hearing, Weak; guarana for alertness, Limited, 37.5 to 300 mg extract; beta-alanine for exercise, Weak at this dose, studied at 3,200 to 6,400 mg a day; African mango and raspberry ketones for weight, Weak; licorice compound, Avoid with high blood pressure; grapefruit, Avoid with some medicines. Takeaways: no hearing evidence, hidden doses far below studied amounts, safety flags for caffeine, licorice and grapefruit. Talk to a doctor first if you take heart, blood pressure, diabetes or mood medicine.
EchoXen label items graded against human research. Sources: EchoXen label, NIDCD, AAO-HNS guideline, NCCIH, PubMed reviews.

What exactly is EchoXen, and what does the sales page promise?

EchoXen is a flavored liquid you swallow from a dropper, sold online as a hearing support formula. The label calls for 1 or 2 droppers a day placed in the mouth[2]. The sales page promises to help you “improve your hearing” and says the formula goes after the source of ear problems[1]. No study of the product itself is cited.

EchoXen sales page banner reading Improve Your Hearing, Reclaim Your Life With EchoXen, with Limited Stock labels and Order Now buttons, above a section titled Support Your Ear Health and Auditory Function Naturally
The EchoXen sales page headline and its ear health pitch. Screenshot of goechoxen.com, checked October 19, 2026.

The headline banner reads “Improve your hearing, reclaim your life with EchoXen,” and the page repeats “limited stock” several times[1]. Further down, the copy shifts to softer wording about supporting “normal auditory function” and the link between the ears and the brain[1]. The first wording sounds like a result. The second is the kind of structure and function language supplements are allowed to use without proof.

A few product details matter before price:

  • Each bottle holds 60 servings of 1 ml[2]. The seller sells each bottle as a 30-day supply, which only works out at 2 droppers a day[1][2].
  • The other ingredients include glycerin, water, lemon extract, stevia and xylitol[2]. Xylitol is poisonous to dogs, so keep the bottle out of a pet’s reach.
  • The label says it was made “in an FDA registered facility” but does not name the facility[2]. Registration means the plant is on a list. It is not an approval of the product.
  • The sales copy speaks of “18 natural plant extracts,” while the label lists 22 blend items, several of them amino acids rather than plants[1][2].

Checkout runs through ClickBank, which shows on a card statement as CLKBANK*EchoXen6Bottle for the large package[1]. After payment you are offered extra bottles at $29 each and a second product called NeuroXen[1]. Turn those down unless you planned for them.

How is EchoXen meant to work on hearing?

The seller does not give a clear mechanism. The page talks about the connection between the ears and the brain and says the blend supports how the brain processes sound[1]. It names no pathway, no target in the inner ear and no study. The ingredient list does not point to any hearing pathway either[2].

When we lined the label up against the research, it looked more like an energy and weight-loss template than a hearing product. Guarana and green tea bring caffeine. African mango, raspberry ketones, coleus and capsicum are common in fat-burner blends. Beta-alanine, L-carnitine and the other amino acids show up mostly in pre-workout powders[2][9][11][12][14].

The supplements that have actually been tested for tinnitus are ginkgo, zinc, melatonin and magnesium. None of the four is on the EchoXen label[2]. Even those tested options came up short. A 2022 Cochrane review found too little certainty to say ginkgo helps tinnitus[6], and a 2016 Cochrane review found no evidence that oral zinc improves symptoms in adults[7].

So “how it works” has no good answer yet. The seller has not explained it, and the label gives no hearing-specific clue.

What is inside an EchoXen bottle?

Each 1 ml serving has 0.7 mcg of chromium and a 200 mg proprietary blend of 22 items whose individual amounts are hidden. Split evenly, that is about 9 mg per item, or about 18 mg at 2 droppers[2]. Most of the items were studied at doses hundreds of times higher, and for goals that have nothing to do with hearing.

The blend, in label order: maca root, grape seed, guarana seed, African mango seed, eleuthero root, astragalus root, green tea leaf, gymnema leaf, coleus forskohlii root, capsicum fruit, grapefruit, Panax ginseng aerial parts, raspberry ketones, L-glutamine, L-tyrosine, L-arginine, beta-alanine, monoammonium glycyrrhizinate, GABA, L-ornithine, L-tryptophan and L-carnitine[2].

EchoXen ingredients next to the doses used in research
Ingredient Use it was studied for Dose in studies Hearing evidence
Guarana Short-term alertness, mostly from caffeine[9] 37.5 to 300 mg extract None
Green tea Weight; small effect[10] Varies by extract None
African mango Weight; low-quality trials[11] 150 mg twice a day None
Raspberry ketones Weight; mostly rodent data[12] No human dose alone None
Coleus forskohlii Body fat in 30 men[13] 250 mg twice a day None
Beta-alanine Short bursts of hard exercise[14] 3,200 to 6,400 mg a day None
L-carnitine Weight in overweight adults[15] 1 to 3 g a day None
Gymnema Blood sugar in type 2 diabetes[16] 200 to 1,000 mg a day None
Chromium Weight; no reliable benefit[17] 200 to 1,000 mcg a day None
L-tryptophan Sleep[21] 1 g or more None
GABA Stress and sleep; low-quality evidence[22] 20 to 300 mg None

Guarana and green tea

These two are the caffeine sources in the blend. A 2023 review of human trials found small, short-lived gains in alertness from guarana, mostly explained by its caffeine[9]. NCCIH notes that green tea extracts have been tied to rare liver injury and that the caffeine can raise heart rate and blood pressure[10]. The label does not state how much caffeine a serving holds[2].

African mango, raspberry ketones and coleus

All three are classic weight-loss ingredients. A systematic review of African mango trials called the effect “limited due to poor methodological quality”[11]. Raspberry ketone has no human trial on its own, and reviews lean on animal studies[12]. The best-known forskolin trial gave 30 overweight men 250 mg of a 10% extract twice a day for 12 weeks; fat mass dropped while body weight did not[13].

Beta-alanine, L-carnitine and the other amino acids

Beta-alanine helps with hard efforts of half a minute to 10 minutes, but only at 3.2 to 6.4 g a day for four weeks or more[14]. L-carnitine at 1 to 3 g a day gave modest extra weight loss across 37 trials[15]. An even split of the EchoXen blend gives each of these roughly 9 mg, a tiny fraction of those amounts[2]. L-tryptophan and GABA were studied for sleep and stress, with mixed or low-quality results[21][22].

Gymnema and chromium

Gymnema lowered fasting blood sugar and HbA1c in small trials of people with type 2 diabetes[16]. A Cochrane review found no reliable effect of chromium on body weight, at doses of 200 mcg and up[17]. The 0.7 mcg in EchoXen is well below any of those trials[2].

Licorice compound and grapefruit

Monoammonium glycyrrhizinate is a compound from licorice. NCCIH warns that glycyrrhizin can raise blood pressure and drop potassium when used regularly[18]. Grapefruit holds furanocoumarins that block the CYP3A4 enzyme and can push up blood levels of some statins and blood pressure medicines[19]. The label does not say how much of either is present[2].

Maca, ginseng, eleuthero, astragalus and grape seed

These are general tonic herbs. They have small trials for libido, energy, endurance or blood pressure, and none for hearing[2]. At a few milligrams each, they are unlikely to do much of anything.

See the current EchoXen price

Does EchoXen work for ringing ears or hearing loss?

There is no published trial of EchoXen, and none of its 23 label items has a human study for tinnitus or hearing loss. NIDCD, part of the NIH, says the vitamins, herbs and supplements advertised for tinnitus have not been proven to work[4]. So any benefit a buyer notices cannot be tied to the formula from the research we have.

The professional guidance points the same way. The 2014 tinnitus guideline from the American Academy of Otolaryngology, Head and Neck Surgery recommends against ginkgo, melatonin, zinc or other dietary supplements for persistent, bothersome tinnitus[5]. A 2026 systematic review of over-the-counter tinnitus products concluded that no firm conclusions could be drawn about any of them[8].

Two points make the picture weaker for EchoXen in particular:

  1. The ingredients that were at least tested for tinnitus, ginkgo and zinc, are not in it[2][6][7].
  2. The hidden blend means you cannot check whether any item reaches a studied dose, and an even split puts all of them far below[2][14][15].

Tinnitus also changes on its own. It can fade after noise exposure or ear wax removal, and it can get louder with stress and poor sleep[4]. A person who starts drops during a quiet week may give the bottle credit that belongs to the calendar.

Which EchoXen side effects should you watch for?

The seller lists no side effects, but several label items carry known risks: caffeine from guarana and green tea, the licorice compound, grapefruit and L-tryptophan. The doses are hidden, so the size of each risk cannot be judged[2]. The label itself warns pregnant or nursing women, people under 18 and anyone with a medical condition to check with a doctor first[2].

EchoXen ingredients with a safety flag
Ingredient Possible problem Who should take care
Guarana, green tea Caffeine: jitters, fast heartbeat, poor sleep[20] People with anxiety, heart rhythm problems or caffeine sensitivity, and anyone already on stimulants
Licorice compound Higher blood pressure, low potassium[18] High blood pressure, heart or kidney disease, diuretics, pregnancy
Grapefruit Raises levels of some medicines[19] People on some statins, calcium channel blockers or transplant drugs
L-tryptophan Serotonin excess with some drugs[21] People on SSRIs, SNRIs, MAOIs or triptans
Gymnema, chromium Lower blood sugar[16][17] People on insulin or other diabetes medicine
Green tea extract Rare liver injury[10] People with liver disease

Caffeine alone is worth a thought. MedlinePlus lists restlessness, a racing heart, trouble sleeping and headaches as effects of too much[20]. If you already drink a few cups of coffee, the extra may tip you over without you knowing the amount.

Ringing in the ears needs a medical check before any supplement. See a doctor soon if the sound is in one ear only, pulses with your heartbeat, or comes with sudden hearing loss or dizziness[4].

See the current EchoXen price

What is the EchoXen price for each package?

EchoXen costs $158 for 2 bottles, $177 for 3 and $294 for 6, which works out to $79, $59 and $49 a bottle. The 3- and 6-bottle cards show free shipping, and the 2-bottle card says “$9.99+ Shipping”[1]. There is no option for a single bottle, so the smallest order is $158 before shipping.

EchoXen price cards: Most Popular 2+1 bottles, 90 days, $59 a bottle, $177 total, crossed-out $237, free shipping; Best Value 3+3 bottles, 180 days, $49 a bottle, $294 total, crossed-out $474, free shipping; Basic 2 bottles, 60 days, $79 a bottle, $158 total, $9.99+ shipping
The three EchoXen packages: $177, $294 and $158. Screenshot of goechoxen.com, checked October 19, 2026.
Two bottles of EchoXen, the Basic 60-day package

2 bottles

$79 a bottle

$158 total plus $9.99 or more shipping, 60-day supply

Choose 2 bottles

Lowest price per bottle

Six bottles of EchoXen, the 180-day Best Value package

6 bottles

$49 a bottle

$294 total, 180-day supply, free US shipping

Choose 6 bottles

Three bottles of EchoXen, the 90-day Most Popular package

3 bottles

$59 a bottle

$177 total, 90-day supply, free US shipping

Choose 3 bottles

ProveNutra infographic on EchoXen prices checked October 19, 2026. Tiles: $294 for 6 bottles with free US shipping; 60-day refund window from receipt; $9.99 or more shipping on the 2-bottle package. Bars, price per bottle: 2 bottles $158 total, $79 a bottle; 3 bottles $177 total, $59 a bottle; 6 bottles $294 total, $49 a bottle. Takeaways: no single-bottle option, the 6-bottle package lowers the price per bottle but the refund window stays 60 days, returns are at the buyer cost. Talk to a doctor first if you take medicine.
EchoXen price per bottle by package. Source: goechoxen.com price grid and refund policy, checked October 19, 2026.

The seller calls the larger packages “2+1” and “3+3,” and shows struck-through totals of $237 and $474[1]. Those are the seller’s own reference prices, so we leave them out. At checkout the 6-bottle order came to $294.00 with no shipping charge, as a one-time payment with no subscription[1].

EchoXen cost per day by package and dose
Package Total paid Cost per day at 2 droppers Cost per day at 1 dropper
2 bottles $167.99 or more $2.80 (60 days) $1.40 (120 days)
3 bottles $177 $1.97 (90 days) $0.98 (180 days)
6 bottles $294 $1.63 (180 days) $0.82 (360 days)

The math assumes 60 ml per bottle and the label’s 1 or 2 droppers a day[1][2]. At the lower dose, 6 bottles would last close to a year.

If you want to try it with the least money at risk, these steps help:

  1. Pick the smallest package that matches how long you plan to test it. A 6-bottle order still has only a 60-day refund window[1][3].
  2. Open one bottle at a time and keep the rest sealed, since the policy says used consumables may not qualify[3].
  3. Set a calendar reminder for day 50 after delivery.
  4. Keep the receipt, the ClickBank order number and the packing slip.
  5. Decline the post-purchase upsells unless you meant to buy more[1].
  6. Get a hearing test before you start, so you have a baseline that is not a guess[4].

Is there an EchoXen refund if it does not help?

Yes, the seller offers a 60-day money-back guarantee, but the written policy adds conditions. You must return the items within 60 days of receipt, in original condition and packaging, and consumables “must not be significantly used”[3]. You pay the return postage, and the refund leaves out the original shipping cost[3].

EchoXen 60-day money-back guarantee badge

The refund policy gives you 60 days from the day the order arrives to send the bottles back. It also says products must be in original condition and not significantly used, and that you pay to ship them.

EchoXen Return/Refund Policy page from ShipOffers: customers pay return shipping to ShipOffers Returns, 19655 E 35th Dr #100, Aurora, CO 80011, returns within 60 days of receipt in original condition, consumables not significantly used, 60 days money-back guarantee started by emailing info@goechoxen.com
The EchoXen refund policy: 60 days from receipt, returns at the buyer's cost. Screenshot of goechoxen.com/refund, checked October 19, 2026.

The refund page is written in the name of ShipOffers, the company that ships the orders[3]. The process it sets out:

  1. Email info@goechoxen.com to start the return[3].
  2. Pack the bottles in their original packaging[3].
  3. Mail them at your own cost to ShipOffers Returns, 19655 E 35th Dr #100, Aurora, CO 80011[3].
  4. Wait for inspection. The refund of the purchase price, minus shipping, follows in 5 to 7 business days[3].

There is a tension worth knowing. Elsewhere the seller calls the guarantee “no questions asked,” yet the policy lets them inspect and turn down used product[1][3]. Because ClickBank processed the order, you can also file a refund request with ClickBank’s support if the seller does not reply[1].

Where should you buy EchoXen?

The seller’s own site, goechoxen.com, is the only place where the 60-day policy above clearly applies. Orders there are processed by ClickBank and shipped by ShipOffers[1][3]. A marketplace listing or a reseller page may not carry the same refund terms, and you cannot see how those bottles were stored.

We also found EchoXen pages run by third parties that show a different ingredient list and an “FDA Approved” badge. Supplements are not approved by the FDA before sale, and the seller’s own label claims only an “FDA registered facility”[2]. Trust the Supplement Facts panel on the bottle you receive.

Orders on the seller’s site ship within 1 to 2 business days, with US delivery in 3 to 7 business days[1].

Visit the EchoXen website

What do EchoXen reviews and complaints show?

We found almost no independent customer record for EchoXen. The Better Business Bureau has no EchoXen business profile[23]. Trustpilot blocked our reader, so we did not check it. The FDA’s adverse event database holds one report naming the product, dated August 2, 2025, whose details we did not review[24].

One report proves nothing either way. Most people who feel unwell after a supplement never file one, and a single filing does not show the product caused a problem[24]. We also did not complete a search of FDA warning letters, so we cannot say whether any exist.

The testimonials on sales pages are written by the seller, so we do not count them as customer data. The video versions of the pitch use characters such as a Navy SEAL and a rock star, which cannot be checked[1].

Which EchoXen ingredient list should you trust?

Trust the label printed on the bottle in your hands, and the seller’s own label page, over any third-party listing. Some sites promoting EchoXen list a male-enhancement style formula with tribulus, epimedium and mucuna, which are not on the seller’s label at all[2]. Only three names overlap.

The seller’s sales copy adds its own mismatch by saying “18 natural plant extracts” while the label lists 22 blend items[1][2]. The ingredient cards on the sales page are images we did not read, so they may show yet another set. If the bottle that arrives lists something else again, write it down, photograph it and ask for a refund within the window.

Are there cheaper, better-tested options for ringing ears?

Yes. NIDCD lists hearing aids, sound therapy devices, counseling such as cognitive behavioral therapy, and treating an underlying cause like ear wax or a medicine side effect. These have more support than any pill or drop[4]. The 2014 guideline backs hearing evaluation, education, hearing aids when there is hearing loss, and CBT for bothersome tinnitus[5].

A practical order to try things in:

  1. See a doctor or audiologist for an exam and hearing test[4][5].
  2. Ask whether any of your medicines can cause ringing[4].
  3. If hearing loss is found, ask about hearing aids, which also cover up some tinnitus[5].
  4. Try sound at night, such as a fan or a white noise app, to mask the ringing[4].
  5. Ask about CBT if the sound affects sleep or mood[5].
  6. Cut back on caffeine if the ringing is worse after coffee, a step that costs nothing[20].

If you do want to judge supplements yourself, the same label checks apply to every product. Our PrimeBiome review of a proprietary-blend probiotic walks through hidden doses, and the Mitolyn review with refund terms explained shows how a ClickBank-style guarantee compares. For a short checklist on judging a seller, see how we check whether a supplement seller is legit.

Who might try EchoXen, and who should not?

EchoXen is a low-evidence purchase: it may suit a healthy adult who has already had a hearing exam, accepts that no hearing benefit is proven and will track the refund date. It is a poor fit for anyone whose ringing is new, one-sided or getting worse, and for anyone in the medicine groups listed above[4][18][19][21].

If you try it, choose the package you can afford to lose, keep the extra bottles sealed, and note your symptoms each week. If nothing changes by day 50, start the return[3]. If you take blood pressure, heart, diabetes or mood medicine, ask your doctor or pharmacist before the first dropper.

Three EchoXen dropper bottles labeled Hearing Support Formula

Best price we found

EchoXen: $49 a bottle on 6

  • $294 for 6 bottles with free US shipping
  • $177 for 3 bottles if you want a shorter trial
  • 60-day return window from receipt
  • Sold through ClickBank

Visit the EchoXen website

Prices checked October 19, 2026 on goechoxen.com. Affiliate link.

Frequently asked questions

Where can I buy EchoXen?

Order on the seller's site, goechoxen.com, where ClickBank handles payment and ShipOffers handles delivery. That route carries the 60-day return policy. Pages run by third parties or marketplace sellers may show other ingredients and terms, so check the label you receive.

Does EchoXen have a money-back guarantee?

It has a 60-day guarantee that starts when the order arrives. The bottles go back in original condition at your cost, used product may be refused, and the refund excludes shipping. Money returns 5 to 7 business days after inspection.

What are the possible EchoXen side effects?

The seller lists none. The blend holds caffeine from guarana and green tea, a licorice compound that can raise blood pressure, grapefruit that affects some medicines, and L-tryptophan. People on heart, diabetes or antidepressant drugs should ask a doctor first.

How do you take EchoXen?

The label says to shake the bottle, then take 1 or 2 droppers a day placed in the mouth and swallowed. It is not an ear drop. One bottle holds 60 servings of 1 ml, so it lasts 30 to 60 days.

How long does EchoXen take to work, according to the seller?

We found no time frame in the seller's readable text, only the packages sold as 60, 90 and 180 days of supply. No study shows a result at any time point, so judge it against a hearing test and the refund deadline.

Is EchoXen legit?

It is a real product sold through ClickBank with a written 60-day return policy and a published label. That does not mean it works: none of its ingredients has hearing research, the doses are hidden, and the BBB has no profile for it.

Sources

  1. EchoXen sales page and price grid. EchoXen (seller), read October 19, 2026
  2. EchoXen Supplement Facts label. EchoXen (seller), read October 19, 2026
  3. EchoXen return and refund policy. ShipOffers for EchoXen, read October 19, 2026
  4. Tinnitus. National Institute on Deafness and Other Communication Disorders (NIH), 2023
  5. Clinical practice guideline: tinnitus. Tunkel et al., American Academy of Otolaryngology, Head and Neck Surgery, 2014
  6. Ginkgo biloba for tinnitus. Sereda et al., Cochrane Database of Systematic Reviews, 2022
  7. Zinc supplementation for tinnitus. Person et al., Cochrane Database of Systematic Reviews, 2016
  8. Systematic review of over-the-counter treatments for tinnitus. Laryngoscope Investigative Otolaryngology, 2026
  9. Effect of guarana on cognitive performance: systematic review and meta-analysis. Nutrients, 2023
  10. Green tea. National Center for Complementary and Integrative Health
  11. Irvingia gabonensis seed extract: systematic review and meta-analysis. Journal of the American College of Nutrition, 2020
  12. Pharmacological exploration of raspberry ketone. Plants, 2021
  13. Body composition and hormonal adaptations with forskolin in overweight and obese men. Godard et al., Obesity Research, 2005
  14. Beta-alanine supplementation and exercise: systematic review and meta-analysis. British Journal of Sports Medicine, 2016
  15. L-carnitine supplementation and weight loss: meta-analysis of randomized trials. Obesity Reviews, 2020
  16. Gymnema sylvestre and glycemic control: meta-analysis. PubMed, 2021
  17. Chromium picolinate supplementation for overweight or obese adults. Cochrane Database of Systematic Reviews, 2013
  18. Licorice root. National Center for Complementary and Integrative Health
  19. Grapefruit juice-drug interactions. Bailey et al., British Journal of Clinical Pharmacology, 1998
  20. Caffeine. MedlinePlus, National Library of Medicine
  21. Tryptophan supplementation and sleep: meta-analysis. Nutrition Reviews, 2021
  22. Effects of oral GABA on stress and sleep: systematic review. Frontiers in Neuroscience, 2020
  23. BBB search results for EchoXen. Better Business Bureau, read October 19, 2026
  24. openFDA adverse event reports search: EchoXen. U.S. Food and Drug Administration, read October 19, 2026
Daniel Brooks
Daniel Brooks, Reviews Editor, ProveNutra

Daniel Brooks is the Reviews Editor at ProveNutra. He reads every supplement facts panel line by line, checks each ingredient and dose against human research from the NIH Office of Dietary Supplements, NCCIH, PubMed and the Cochrane Library, and reads the refund policy and checkout terms before a review is published. Daniel is not a doctor, dietitian or pharmacist, and his reviews are not medical advice. He writes pros, cons and who a product suits, never scores. How we review supplements.

This article is general information, not medical advice. Dietary supplements are not reviewed by the FDA for safety or effectiveness before they are sold. Talk to your doctor before you start any supplement, especially if you are pregnant, nursing, take medication or have a health condition.

ProveNutraSupplement reviews, checked

We read the label, check every dose against the research and read the refund terms, then tell you what we found. No star ratings, no fake testimonials, no paid placements.

Edited by Daniel Brooks, Reviews Editor, ProveNutra

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ProveNutra is general information, not medical advice. Dietary supplements are not reviewed by the FDA for safety or effectiveness before they are sold. Talk to your doctor before you start, stop or combine supplements. Some links are affiliate links: if you buy through them we may earn a commission at no extra cost to you, and it never changes what we report.