Safety
Is NervoMax Safe? Side Effects, Interactions and Who Should Ask a Doctor First
No study has tracked NervoMax side effects, so the only guide is its nine ingredients. The biggest question is vitamin B6, because too much can cause numbness and tingling and the amount is not printed. Ginkgo, green tea extract and cinnamon also carry cautions. Ask a doctor first if you take medicines or have a health condition.
Written by the NervoMax editorial team · Medically reviewed by Dr. Alaa Abd-Elsayed, MD, PhysicianReview date · Last updated · 7 min read
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Key facts
What are the key safety facts about NervoMax?
- No study of NervoMax has tracked side effects, so how often they happen is not known.
- Vitamin B6 in excess can cause numbness and tingling (NIH ODS, Vitamin B6). The NervoMax B6 amount is not published.
- Ginkgo can add to bleeding risk if you take a blood thinner like warfarin (NCCIH, Ginkgo).
- Green tea extract is linked to rare liver injury, mostly with concentrated capsules (NCCIH, Green tea).
- The label limit is 1 or 2 capsules a day. Do not exceed the recommended dose.
- The label asks pregnant or nursing mothers, children under 18 and people with a known medical condition to consult a physician first.
- Stop and call your doctor if tingling gets worse.
Ranked by concern
Which NervoMax ingredients raise the biggest safety questions?
We rank them from the one that matters most to the one that matters least.
Vitamin B6
Too much can cause numbness, tingling and unsteady walking (NIH ODS, Vitamin B6). The amount in NervoMax is not printed, so you cannot count it.
Ginkgo and green tea
Ginkgo may raise bleeding risk with blood thinners (NCCIH, Ginkgo). Green tea extract has been linked to rare liver injury (NCCIH, Green tea).
Salt, cinnamon, bacopa
Salt adds sodium (FDA, Sodium). Cassia cinnamon holds coumarin (BfR, Coumarin). Bacopa can upset the stomach (StatPearls, Bacopa).
Lutein and vitamin B12 are generally well tolerated. Bilberry leaf may be unsafe in high doses or with long use (NCCIH, Bilberry).
Most of these concerns are tied to doses larger than a 600 mg blend of nine ingredients could hold. Vitamin B6 is the exception, because its amount is unknown.
Vitamin B6
Can the vitamin B6 in NervoMax cause nerve problems?
It can, if your total B6 from every source gets too high. Excess B6 causes sensory peripheral neuropathy: numbness, tingling or burning in the hands and feet (NIH ODS, Vitamin B6). They match the symptoms named on the front of the bottle.
The daily need for adults is 1.3 to 1.7 mg. The U.S. upper limit is 100 mg a day and the EU's is 12 mg. Australia has seen cases below 50 mg a day (TGA, B6 alert 2022). B6 nerve symptoms usually improve after the B6 is stopped (Muhamad et al., 2023).
Because the B6 figure is not on the label, ask the order desk at +1 (302) 200-3480 for the figure per 2 capsules. Then add up your multivitamin, B-complex and magnesium products. Daley and colleagues reported magnesium tablets that held 60 mg of B6 apiece (Daley et al., 2023).
Interactions
Does NervoMax interact with medicines?
| Medicine | Ingredient | Concern |
|---|---|---|
| Warfarin and other blood thinners | Ginkgo | Higher bleeding risk (NCCIH, Ginkgo) |
| Nadolol, atorvastatin | Green tea extract | Lower drug levels (NCCIH, Green tea) |
| Diabetes medicines | Cinnamon | Blood-sugar effect unclear (NCCIH, Cinnamon) |
| Metformin, acid reducers | Vitamin B12 | These can lower B12; a blood test shows your level (NIH ODS, Vitamin B12) |
| Blood pressure or heart failure medicines | Himalayan pink salt | Extra sodium (FDA, Sodium) |
A 70-year-old on warfarin and atorvastatin could have two questions in a single capsule. A pharmacist should hear about both before the first dose.
Daily use
Can you take NervoMax every day?
The label allows it. It says to take one or two capsules daily with an 8 oz glass of water, and it says not to exceed the recommended dose. It gives no time of day and no limit on how many days.
Nobody has studied long daily use of NervoMax, so we cannot say how it behaves over months. Two points are worth noting for long use. Bilberry leaf may be unsafe with long-term use (NCCIH, Bilberry). Green tea extract liver cases usually began 1 to 6 months after starting (LiverTox, Green tea).
If you plan to take it for months, tell your doctor and raise it again at each checkup. Starting with one capsule halves your intake of every ingredient, including the unmeasured B6.
Who should ask first
Who should not take NervoMax without asking a doctor?
- Anyone under 18. The label says children under 18 should consult a physician.
- Pregnant or nursing mothers. The label says to consult a physician, and there is no safety data for this blend.
- Anyone with a known medical condition, which the label says should consult a physician.
- Anyone taking blood thinners, diabetes medicine, metformin, acid reducers or heart medicine.
- Anyone who already takes a B-complex or other product with vitamin B6.
- People with liver disease, or a low-sodium diet, or surgery coming up.
Before surgery, tell the surgeon you take it and ask when to pause, since ginkgo may affect bleeding (NCCIH, Ginkgo).
Warning signs
When should you stop NervoMax and get help?
If tingling, burning or numbness worsens or spreads, stop and ring your doctor. Stop if you notice a rash, stomach upset that does not settle, yellow skin or eyes, or dark urine.
Numbness with sudden weakness, confusion, slurred speech, vision changes or loss of bladder or bowel control can be a stroke or a spinal problem (MedlinePlus, Numbness).
Report a side effect to the FDA through its Safety Reporting Portal or MedWatch, and tell the order desk. Keep the bottle and note the lot number.
Label facts
What do the label's safety lines say?
| Line on the label | What it says |
|---|---|
| Suggested use | One (1) or two (2) capsules daily with an 8 oz. glass of water |
| Caution | Do not exceed recommended dose |
| Who should ask first | Pregnant or nursing mothers, children under the age of 18 and individuals with a known medical condition |
| Storage | Keep away from heat, light, and humidity; store in a cool, dry place |
| Boxed warning | Keep out of the reach of children; do not use if safety seal is damaged or missing |
| Price and guarantee | Price at checkout; guarantee terms on the order page |
Sources
Where do the facts on this page come from?
Ingredient cautions come from NIH, FDA and other public sources linked below. The label lines come from the bottle images.
- Vitamin B6: Fact Sheet for Health Professionals. NIH Office of Dietary Supplements, 2023.RDA 1.3 to 1.7 mg. U.S. upper limit 100 mg a day. Too much B6 can cause sensory nerve damage.
- Ginkgo: Usefulness and Safety. National Center for Complementary and Integrative Health, 2025.May raise bleeding risk with blood thinners such as warfarin.
- Green Tea: Usefulness and Safety. National Center for Complementary and Integrative Health, 2025.Rare liver injury, mostly with concentrated extracts; can lower levels of nadolol and atorvastatin.
- Vitamin B12: Fact Sheet for Health Professionals. NIH Office of Dietary Supplements, 2025.Low B12 can cause numbness and tingling; metformin and acid reducers can lower B12.
- Sodium in Your Diet. U.S. Food and Drug Administration, 2024.The sodium Daily Value is 2,300 mg.
- FAQ on coumarin in cinnamon and other foods. German Federal Institute for Risk Assessment, 2012.Tolerable daily intake of 0.1 mg of coumarin per kg of body weight.
- Bacopa monnieri. Walker EA, Pellegrini MV. StatPearls (NCBI Bookshelf), 2023.Trials used 300 to 450 mg a day; common side effects are gut upset.
- Bilberry: Usefulness and Safety. National Center for Complementary and Integrative Health, 2024.Not clearly shown to help any condition; leaves may be unsafe in high doses or long-term.
- Health supplements containing vitamin B6 can cause peripheral neuropathy. Therapeutic Goods Administration (Australia), 2022.Neuropathy reported below 50 mg a day; warning required above 10 mg a day.
- The Role of Vitamin B6 in Peripheral Neuropathy: A Systematic Review. Muhamad R, et al. Nutrients 15(13):2823, 2023.20 studies; B6 neuropathy usually improves after stopping; no safe threshold established.
- Elevated vitamin B6 whole blood levels in Australian patients. Daley GM, et al. Medical Journal of Australia 218(7):330, 2023.About 39% of 88,655 samples showed high B6; some magnesium tablets hold 60 mg of B6.
- Cinnamon: Usefulness and Safety. National Center for Complementary and Integrative Health, 2024.Blood-sugar evidence is unclear; cassia contains coumarin.
- Green Tea. LiverTox, NIDDK (NCBI Bookshelf), 2020.Liver injury usually begins 1 to 6 months after starting an extract.
- Numbness and tingling. MedlinePlus Medical Encyclopedia, 2025.Call 911 for numbness with weakness, confusion, slurred speech, vision changes or loss of bladder or bowel control.
Who wrote this
Who wrote and reviewed this page?
Plain-language pages built from the bottle label and linked public health sources such as NIH, FDA and Cochrane.
Last updated . Read our editorial standards and how we check reviews. This website is run by Nervomax, a USA authorized NervoMax retailer, not by the manufacturer. We earn money when you buy through our order links.
FAQ
Frequently asked questions
Is NervoMax safe?
No study has tracked its safety, so the only guide is the nine ingredients. Most cautions apply to doses bigger than the blend could hold. Vitamin B6 is the open question because its amount is not printed. Ask your doctor first if you take medicines or have a condition.
What are the side effects of NervoMax?
Possible effects come from the ingredients: stomach upset from bacopa, bleeding risk from ginkgo, rare liver injury from green tea extract, and numbness or tingling from too much B6. How often they happen with NervoMax is not known.
Can I take NervoMax every day?
The label allows 1 or 2 capsules daily with an 8 oz glass of water, and it says not to exceed the dose. Long daily use has not been studied, so tell your doctor if you plan to take it for months.
Can NervoMax cause numbness or tingling?
It could, once your combined B6 from all products climbs too high (NIH ODS, Vitamin B6). The B6 figure is not on the label. If tingling gets worse, stop and phone your doctor, and bring the bottle.
Can I take NervoMax with a blood thinner or metformin?
Ask your doctor first. Ginkgo may raise bleeding risk with blood thinners (NCCIH, Ginkgo), and metformin can lower B12 over time (NIH ODS, Vitamin B12). Bring the bottle so your doctor can see every ingredient.
Are there side effects with nerve supplements in general?
Yes, and they differ by ingredient. The most important one for nerve products is too much vitamin B6, which can cause the symptoms people want to ease. Add up B6 across all your products and check each herb for medicine interactions.
Our view
Our view
Our view: NervoMax is not a high-alarm product, and it is not a risk-free one either. Its ingredients are mostly familiar and the blend is small. Its weak point is the hidden vitamin B6 amount, and that is a fair reason to slow down.
Do three things before the first capsule. Ask the order desk for the B6 amount. Add up the B6 in everything else you take. Show both numbers, and the bottle, to your doctor or pharmacist. If you are cleared, begin with one capsule and watch for any change in how your hands and feet feel.
NervoMax is a dietary supplement. It is not FDA approved, and no dietary supplement is approved by the FDA before sale. It is not intended to diagnose, treat, cure or prevent any disease. This page is general information, not medical advice. Ask your doctor about any medical question or symptom.
Last updated .
Read the label, then decideIf your doctor or pharmacist is comfortable with it, the order page shows the price and guarantee terms before you confirm.
See today's price and guaranteeNervomax runs this site and earns money when you buy through its order links.