Review · Hearing health

SharpEar review: a memory formula sold for your ears

SharpEar is marketed as a natural way to hear clearly again. Its label turns out to be identical to a memory supplement we reviewed earlier. We checked what that formula can and cannot do for hearing, based on the published human research.

By Grant Whitaker, Editor · Updated October 23, 2026 · 21 studies checked on PubMed

What SharpEar is

SharpEar is a capsule supplement sold through its own website, with checkout handled by the BuyGoods platform. The label lists a distributor called SharpEar in Englewood, Colorado. Each bottle holds 30 capsules. It is a one-time purchase with no subscription, and the site says it is not sold anywhere else.

The sales video tells the story of a retired chemist whose wife lost her hearing. Its central idea is that hearing depends on the connection between the inner ear and the brain, and that eight plant extracts and nutrients can strengthen that link. It goes much further than that, promising to restore hearing within a month. Supplements are not allowed to make claims like that, and nothing we found in the research supports it.

The label is a copy of ProMind Complex

The SharpEar Supplement Facts panel is posted on the vendor's references page. When we put it next to our files, it matched the label of ProMind Complex, a memory supplement we reviewed earlier, line for line: 250 mg St. John's wort, 150 mg L-glutamine, 125 mg phosphatidylserine complex, 120 mg bacopa, 50 mg ginkgo, 50 mg acetyl-L-carnitine, 2 mg vinpocetine and 10 mcg huperzine A. The capsule count, suggested use and caution panel read the same, and the two sites charge identical prices. A third product, TribalForce X, shares seven of the eight lines.

We cannot say whether the capsules come out of the same production run. What we can say is that the formula on paper is the same one, now marketed for hearing instead of memory. If you already take ProMind Complex, adding SharpEar would double the same ingredients, including the St. John's wort.

The formula next to the research

For each ingredient we looked for human trials on hearing or tinnitus first. Where none existed, we noted what it was studied for and at what amount.

Ginkgo: the one ingredient with hearing trials

Ginkgo is the anchor of the sales story, and it is the only SharpEar ingredient that has been tested in people for hearing complaints. The results are not encouraging. The 2022 Cochrane review of 12 randomized trials with 1,915 participants found that ginkgo may have little to no effect on tinnitus severity compared with placebo, and rated the evidence very low certainty ^[1]. In a six-month trial of 120 adults with age-related hearing loss, a ginkgo dry extract changed no measure of hearing, either against placebo or over time ^[2]. A French review of herbal remedies in ear, nose and throat practice concluded that oral ginkgo has no established role for tinnitus or age-related hearing loss ^[6], and a 2026 systematic review of nine trials of over-the-counter tinnitus products found no firm basis for any of them, ginkgo included ^[7].

The more positive ginkgo studies looked at sudden hearing loss, a different and urgent situation. In 106 outpatients, 240 mg a day of the EGb 761 extract was compared with 24 mg a day for eight weeks; most people in both groups recovered completely, and the higher dose did somewhat better ^[4]. In 72 patients, the same extract performed about as well as a prescription drug ^[5]. Neither trial had a placebo group, and sudden hearing loss is something to take to a doctor, not to treat with a supplement. SharpEar contains 50 mg of plain "ginkgo leaf" with no extract standard listed, about a fifth of the higher trial dose.

Vinpocetine and huperzine A: hearing claims built on thin studies

The only human hearing study of vinpocetine we found was an open-label Mexican study in which adults with sensorineural hearing loss took 30 mg a day for a year. Hearing measures declined over the first six months and then improved, but there was no comparison group ^[8]. SharpEar has 2 mg per capsule.

The huperzine A study cited by the sales page was done in rats given d-galactose to age their inner ears ^[9]. It has not been repeated in people. In human memory trials, even 200 mcg twice a day did not beat placebo on the main outcome ^[10]. SharpEar provides 10 mcg.

Bacopa, phosphatidylserine and the rest: memory ingredients

Bacopa has the best evidence of anything on this label, but for attention and recall rather than hearing. A meta-analysis of nine trials found modest gains in attention speed with standardized extracts taken for at least 12 weeks ^[12], and a trial in adults over 65 used 300 mg a day ^[11]. SharpEar's 120 mg is about 40% of that, with no bacoside content stated. Phosphatidylserine was studied at 100 to 300 mg a day ^[13]; a 4% complex at 125 mg works out to roughly 5 mg. We found no human hearing research for St. John's wort, acetyl-L-carnitine or L-glutamine at any dose.

What the marketing claims and what we could verify

The sales presentation leans on real science, but it stretches each finding well past what the papers say.

• "A new type of brain cell decodes sound." The Karolinska work it refers to used single-cell sequencing to sort the nerve cells of the mouse cochlea into four types ^[15]. It describes anatomy. It tested no supplement and no treatment.
• "Harvard proved brain games improve hearing." The study trained older hearing aid users on a computer audio game for eight weeks. They recognized 25% more words in noise, but the benefit faded when practice stopped ^[14]. It says nothing about capsules, and SharpEar is not a training program.
• "Ginkgo beat hearing aids." The Brazilian trial behind this line had 33 adults in three groups and reported improvement in tinnitus ratings with ginkgo extract, hearing aids or both after 90 days ^[3]. The Cochrane authors found it too small to draw meaningful conclusions ^[1]. We could not trace the 54.3% and 74.5% figures quoted on the sales page to the published abstract.
• "54 volunteers all improved." We found no publication, registry entry or method for this test. A trial of the SharpEar formula itself does not appear on PubMed.
• Hearing and memory. The link between hearing loss and cognitive decline is real and studied. The largest trial so far, ACHIEVE, gave 977 adults aged 70 to 84 hearing aids and audiologist care, and found no overall difference in three-year cognitive change, though a higher-risk subgroup may have benefited ^[16]. That trial is about hearing care, which is a good reason to see an audiologist.

Price, packages and refund policy

Prices on the official site when we checked, all with free US shipping:

• 6 bottles: $49 each ($294 total). About $1.63 a day at one capsule.
• 3 bottles: $59 each ($177 total).
• 1 bottle: $69.

The text presentation still mentions a free bonus product, but its details are switched off on the page and no bonus appears in the order boxes, so we do not count one. Note the serving question: the label says one capsule once or twice daily, while the sales page sells each 30-capsule bottle as a month's supply. At two capsules a day, a bottle lasts 15 days.

The refund policy gives you 60 days from the date your order ships. You have to mail the bottles back with a return form, and return shipping is at your cost. The sales page's promise of a refund on used-up bottles and its FAQ, which speaks of returning what you have not used, do not quite agree, so read the refund page before you order. International orders pay shipping, despite a line on the sales page saying shipping is free wherever you live.

Safety

This is the section that matters most for men over 50, because many take daily medication.

• St. John's wort speeds up a liver enzyme (CYP3A4) that clears at least half of all marketed drugs. In a JAMA study, two weeks of St. John's wort halved blood levels of a test drug ^[17]. A review of human studies lists clinically important interactions with immunosuppressants, cancer drugs, heart medications, cholesterol drugs and others ^[18]. SharpEar's own label warns against combining it with MAO inhibitors.
• Ginkgo did not change clotting measures in a meta-analysis of 18 trials ^[19], and the tinnitus review found no excess of serious bleeding ^[1]. The SharpEar label still advises avoiding it if you are at risk of bleeding or take anticoagulants, and stopping two to three weeks before surgery or dental work.
• Vinpocetine caused pregnancy loss and fetal heart defects in rats at high doses ^[20], and the FDA advises women who are or could become pregnant not to take it. This matters for a partner who might share the bottle.
• Huperzine A works on the same enzyme as some prescription memory drugs. Lab testing of 22 supplements labeled with it found the actual amount within 10% of the label in only two ^[21].

Talk to your doctor or pharmacist before starting SharpEar if you take blood thinners, heart or blood pressure medication, antidepressants, transplant or cancer drugs, or a prescription memory medicine. People with a history of seizures should ask first, as the label says. Results vary, and any new or worsening hearing problem, ringing, ear pain or dizziness deserves medical care.

What we liked and what gave us pause

Frequently asked questions

Is SharpEar the same as ProMind Complex?

On paper, yes. The ingredient list and every dose match the ProMind Complex label we reviewed, and the prices are the same. We have not lab-tested either product.

Can SharpEar replace a hearing aid or a hearing test?

No. It is a dietary supplement. Hearing changes need an audiologist or doctor, and hearing aids are the option that has been tested in large trials.

How long would I need to try it?

Results vary from person to person. The ginkgo hearing trials ran two to six months, and the memory trials of bacopa ran at least 12 weeks, so a few days tells you little. Keep the 60-day refund window in mind.

Where can I buy SharpEar?

Only through the official website. The vendor does not allow sales on Amazon, eBay or similar marketplaces, so listings there may not be genuine or covered by the refund policy.

How we reviewed SharpEar

We read the SharpEar sales presentation, its refund, shipping and affiliate pages, and the Supplement Facts label posted on its references page. We compared the label with every offer in our database, then searched PubMed for human studies of each ingredient on hearing and tinnitus, and for the safety data on St. John's wort, ginkgo, vinpocetine and huperzine A. We did not test the product on people, and nobody at Stark Verve is a medical professional. Read our editorial policy to learn how we choose and update reviews. Stark Verve earns a commission if you buy through our links; that never changes what we write about the evidence.