Vitamin B6 above 100 mg/day for months causes peripheral neuropathy. Your multi + B-complex + energy drink may exceed this. Check your total intake.
Very high vitamin B6 for long periods can cause nerve-related symptoms.
| Standard | RDA | Upper Limit (UL) |
|---|---|---|
| United States | 1.7 mg | 100 mg |
| European Union | 1.7 mg | 100 mg |
| Australia | 1.7 mg | 100 mg |
| China | 1.4 mg | 60 mg |
RDA = Recommended Dietary Allowance. UL = Tolerable Upper Intake Level. “Not established” does not mean unlimited intake is safe.
Yes. Taking more than 100 mg/day of vitamin B6 for months or years can cause peripheral neuropathy — numbness, tingling, and pain in hands and feet. This is reversible if caught early. The UL is 100 mg/day, but most people only need 1.3-1.7 mg/day.
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