Vital Nutrients Vitamin B6 100 mg
Brand: Vital Nutrients · Form: CAPSULE [E0159]
Our assessment
The evidence shows that Vitamin B6 plays a critical role in over 100 enzyme reactions, primarily in protein metabolism and cognitive function. For a 100 mg dose, this is well above the Recommended Dietary Allowance (RDA) of 1.3–1.7 mg for most adults, so it is intended for specific therapeutic use rather than general daily maintenance [NIH ODS]. Our assessment is that this high-dose supplement may be considered for individuals with a confirmed deficiency or under a doctor's supervision for conditions like premenstrual syndrome or nausea in pregnancy, but it is not appropriate for routine use.
How it works
Think of Vitamin B6 as a versatile cofactor — it helps your body convert food into energy, synthesize neurotransmitters like serotonin and dopamine, and form red blood cells [NIH ODS]. At 100 mg, this level of intake can influence homocysteine metabolism and support immune function through lymphocyte production. However, the body can only use a limited amount at one time, and excess is excreted in urine [NIH ODS].
Safety profile
FDA received 1,866 adverse event reports for Vitamin B6-containing products. Side effects include nausea, abdominal pain, and headache [FDA data]. At this high dose (100 mg), the primary concern is sensory neuropathy, which can cause numbness or tingling in the hands and feet when taken for long periods. The safe upper limit is 100 mg per day from all sources [NIH ODS]. Data not available for specific interactions with this brand.
Our recommendation
Start only if advised by your clinician. For most people, a standard multivitamin or a 10–25 mg dose is safer and sufficient. Do not exceed 100 mg daily from all sources, and limit use to less than 6 months to avoid nerve damage [NIH ODS]. Choose the 100 mg form only for short-term, targeted therapy under medical supervision.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Vital Nutrients |
|---|---|
| Serving Size | |
| Contents | 100.0 Vegetarian Capsule(s) |
| Market Status | Off Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide