Capsules · 60 capsules
Serving Size:
1 capsule
Amount Per Serving:
Vitamin B6 ... 275mg
(91% as Pyridoxine Hydrochloride and 9% as Pyridoxal-5-Phosphate)
Other Ingredients:
Hydroxypropyl methylcellulose, microcrystalline cellulose, L-leucine.
As a dietary supplement, 1 capsule daily with a meal, or as directed by a healthcare practitioner.
CAUTION: Large doses of vitamin B6 should not be taken exclusively. Whenever possible, B6 intake should be balanced with other B vitamins. There are some reports of adverse reactions to large doses of vitamin B6 above 300 mg daily.
Keep in a cool, dry place, tightly capped.
Source: Fullscript original manufacturer label · September 06, 2026. Formulas and labels can change. Check the packaging you receive.
Pyridoxine P5P (B-6) from Allergy Research Group delivers pyridoxal-5-phosphate, the active, coenzyme form of vitamin B6 that the body can utilize directly without hepatic conversion. This formulation supports neurotransmitter synthesis, amino acid metabolism, and healthy homocysteine levels, making it particularly relevant for those with impaired B6 conversion or higher metabolic demands.
Why It's Worth Considering: Allergy Research Group, a long-standing practitioner-grade brand, uses the bioavailable P5P form rather than standard pyridoxine HCl, a meaningful distinction for individuals with MTHFR variants or compromised liver function.
As a dietary supplement, 1 capsule daily with a meal, or as directed by a healthcare practitioner.
| Feature | Methylated (active) | Standard | Synthetic (cheap) |
|---|---|---|---|
| B12 Form | Methylcobalamin | Hydroxocobalamin | Cyanocobalamin |
| Folate Form | 5-MTHF (methylfolate) | Folinic acid | Folic acid (synthetic) |
| B6 Form | P-5-P (pyridoxal-5-phosphate) | Pyridoxal | Pyridoxine HCl |
| Best For | MTHFR variants, optimal absorption | General use | Budget (requires conversion) |
| MTHFR Safe | Yes — bypasses mutation | Mostly yes | No — cannot be converted by 40% of population |
Methylated B vitamins are in their active, bioavailable form, your body can use them immediately without conversion. About 40% of the population has MTHFR gene variants that impair conversion of synthetic folic acid to active folate. Methylated forms (methylcobalamin, methylfolate, P-5-P) bypass this issue entirely.
This is completely normal and harmless. Riboflavin (B2) is a bright yellow fluorescent compound. When you take more than your body needs, the excess is excreted in urine, causing the distinctive color. It's actually a sign your body absorbed the B vitamins and is eliminating what it doesn't need.
B vitamins support energy production, so morning dosing is generally recommended. Some people find evening B-complex disrupts sleep due to increased energy. However, B6 and B12 are involved in melatonin production, so individual responses vary. If evening dosing doesn't affect your sleep, it's fine.
Signs of B12 deficiency: fatigue, brain fog, tingling/numbness in extremities, balance issues, mood changes, and pale skin. At-risk groups: vegetarians/vegans (B12 is only in animal foods), adults over 50 (reduced absorption), and those taking metformin or PPIs (which deplete B12). A serum B12 test plus methylmalonic acid (more sensitive) can confirm.
Yes, B vitamins are water-soluble, meaning excess is excreted daily. No accumulation risk at standard supplement doses. The exception is B6 (pyridoxine): chronic doses above 100mg/day can cause peripheral neuropathy (nerve damage). The P-5-P form is safer at higher doses than pyridoxine HCl.
Ask Gabriel for personalized stacking recommendations.
No significant interactions identified. Always consult your healthcare provider.
† These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
