NeuroQuiet and ZenCortex look like products from the same playbook. The order pages share their layout, the $158, $207 and $294 price ladder, a phone line open 10 AM to 1 AM Eastern, and FAQ sentences such as "once your body adapts to the ingredients you will notice less noise and better ear health". Returns for both go to the same fulfillment address, 19655 E 35th Dr in Aurora, Colorado.
The bottles are different. ZenCortex is a 60 ml dropper with the 22-ingredient, 200 mg energy blend it shares with Audifort and EchoXen, taken twice a day. NeuroQuiet is a 30 ml spray whose label lists about 3 micrograms a day of alpha-GPC, GABA, L-dopa bean, moomiyo and eight amino acids. Neither formula has been tested for tinnitus, so the deciding factors are the guarantee and the side-effect profile.
NeuroQuiet and ZenCortex side by side
| NeuroQuiet | ZenCortex | |
|---|---|---|
| Format | Spray under the tongue | Liquid drops, by dropper |
| Daily dose | 6 sprays a day (2 morning, 4 at bedtime) | 1 dropper twice a day (2 ml) |
| Key ingredients | Alpha-GPC, GABA, L-dopa bean, moomiyo, plus 8 amino acids (arginine, tyrosine, glutamine...) | Chromium 0.7 mcg + a 200 mg blend of 22 ingredients (maca, grape seed, guarana, African mango, green tea, gymnema, raspberry ketones, ginseng, GABA, L-tryptophan and more) |
| Doses published? | Yes, as two blends: 2000 ng + 1000 ng, about 3 micrograms a day in total | Label published, but only chromium has an amount; 22 ingredients share 200 mg per ml |
| Price per bottle, by package | $79 (2 bottles) · $69 (3) · $49 (6) | $79 (2 bottles) · $69 (3) · $49 (6) |
| Cheapest way to start | 2 bottles: $158 + $9.95 shipping | 2 bottles: $158 + $9.95 shipping |
| Bottle | 30 ml, 30 servings | 60 ml, 60 servings (about 30 days at the label dose) |
| Money-back guarantee | 90 days from purchase, empty bottles included (shipping page says 60) | 60 days from purchase; the return must arrive within 60 days |
| Who pays return shipping | You do; refund is minus shipping and handling | You do; refund is minus shipping and handling |
| Support | Email and phone, 10 AM to 1 AM Eastern, 7 days | Email and phone, 10 AM to 1 AM Eastern, 7 days |
| Red flags | Nanogram doses far below any study; sales copy shared with Audifort; parabens | Says "No Stimulants" but contains guarana and green tea; generic store text in the return policy |
| Active amount per day | 400 mg of blend (2 droppers) | About 3 micrograms |
| Returns address | 19655 E 35th Dr #100, Aurora, CO | 19655 E 35th Dr #100, Aurora, CO |
Prices, guarantees and labels as listed on each official order page and ClickBank order form when we checked in October 2026. They can change, so the order form is the final word.
Key differences: what actually separates NeuroQuiet and ZenCortex
- Refund window. NeuroQuiet: 90 days from purchase, empty bottles included, though its shipping page says 60. ZenCortex: 60 days, and the return has to arrive within them.
- Stimulants. ZenCortex's guarana and green tea contain caffeine despite the "No Stimulants" badge. NeuroQuiet has no caffeine source.
- Dose reality. ZenCortex delivers 400 mg of blend a day across 22 ingredients. NeuroQuiet delivers about 0.003 mg a day; alpha-GPC alone is studied at hundreds of milligrams.
- Routine. ZenCortex: two droppers before breakfast and lunch. NeuroQuiet: six sprays split between morning and bedtime, held 20 seconds, with a 30-minute food and drink gap.
- Bonuses. NeuroQuiet's 3 and 6-bottle packages include three e-books; ZenCortex's include two.
Who should choose NeuroQuiet
NeuroQuiet is for anyone torn between these two: same money, 30 more days to decide, no caffeine and a dose so small that side effects are very unlikely. If you take Parkinson's medicine or an MAO inhibitor, show the label to your doctor because of the L-dopa bean, and skip it if you react to parabens. Be realistic: amounts this small give little reason to expect any change in the ringing.
Read our full NeuroQuiet review →
Check NeuroQuiet price on the official site →Opens the brand's official website · money-back guarantee
Who should choose ZenCortex
ZenCortex is for someone who prefers a dropper they can add to a drink over a spray schedule with waiting times, and who is fine with some caffeine. Its label at least lists ingredients in milligram terms. Mark the 60-day deadline, counting from the purchase date, and get the refund terms confirmed by email, since its return policy page includes generic store text.
Read our full ZenCortex review →
Check ZenCortex price on the official site →Opens the brand's official website · money-back guarantee
Before either one: see a doctor
Since both pages promise "less noise" once your body adapts, it is worth saying what actually helps. For lasting tinnitus, hearing aids when there is hearing loss, sound therapy and cognitive behavioral therapy have the strongest evidence. Before any of that, rule out the causes that need treatment. The NIDCD flags these:
- Sudden hearing loss in one or both ears, with or without ringing: doctors treat it as urgent, because treatment works best within days.
- Ringing in only one ear, or clearly louder on one side.
- Pulsatile tinnitus, a whoosh or thump in time with your heartbeat.
- Tinnitus with hearing loss, dizziness, ear pain or discharge, or that started after a head injury or a new medicine.
Our verdict
With the same price and the same seller-style setup, NeuroQuiet's 90-day refund and lower side-effect risk make it the better pick over ZenCortex. The honest footnote is that neither label gives a reason to expect results: ZenCortex's blend has no tinnitus research and NeuroQuiet's doses are microscopic. Our best tinnitus supplements roundup compares them with four other tinnitus supplements.
Check NeuroQuiet price on the official site →Opens the brand's official website · money-back guarantee
Frequently asked questions
Is NeuroQuiet better than ZenCortex?
At the same price, NeuroQuiet gives a 90-day refund instead of 60 days and has no caffeine sources, so it is the better buy. Neither has evidence for tinnitus.
Are NeuroQuiet and ZenCortex made by the same company?
We cannot confirm ownership. Their order pages share layout, prices and FAQ wording, and both list the same returns address in Aurora, Colorado, but their labels are different.
Can I take NeuroQuiet and ZenCortex together?
There is no evidence it would help. ZenCortex's caffeine, blood-sugar herbs and L-tryptophan cautions would still apply.
Which is cheaper, NeuroQuiet or ZenCortex?
They cost the same: $158 for 2 bottles plus $9.95 shipping, $207 for 3 and $294 for 6, each sold as a 30-day bottle.
Which is easier to take?
ZenCortex: one dropper twice a day, in water or under the tongue. NeuroQuiet needs six sprays a day held for 20 seconds and no food or drink for 30 minutes around each dose.
Related reading
ReviewNeuroQuiet review
What the NeuroQuiet label really lists, why its nanogram doses matter, what research says for tinnitus, who should ask a doctor first, what it costs and how the 90-day refund works.
Read more →
ReviewZenCortex review
What the ZenCortex label really lists, why it matches Audifort, what research says about each ingredient for tinnitus, who should ask a doctor first and how the 60-day refund works.
Read more →
ComparisonAudifort vs NeuroQuiet
Same sales template and price list, very different bottles: a 200 mg energy blend versus a 3-microgram spray. Which risk would you rather take?
Read more →
Buy it from the official store so the guarantee applies, and keep your order email until you decide.
Check NeuroQuiet price on the official site →Opens the brand's official website · money-back guaranteeSources
- NeuroQuiet official order page, Supplement Facts label, FAQ, return and shipping policies (neuroquiethq.com) and ClickBank order forms, accessed October 2026
- ZenCortex official order page, Supplement Facts label, FAQ, return and shipping policies (zencortex24.com) and ClickBank order form, accessed October 2026
- NIDCD: Tinnitus. nidcd.nih.gov/health/tinnitus
- NIDCD: Sudden Deafness. nidcd.nih.gov/health/sudden-deafness
- NCCIH: Green Tea. nccih.nih.gov/health/green-tea
NeuroQuiet