Vitamin B6
2 brands compared · cheapest first
Life ExtensionBest value
Pyridoxal 5-Phosphate (P5P) 100 mg
100 mg P5P · 90 capsules
$23.53for 90 doses
$0.261per dose
$0.00261 / mg
Higher dose per cap (100mg vs PE's 50mg) and cheaper per mg. WARNING: chronic high-dose B6 (above 100mg/day for years) can cause sensory neuropathy.
Pure Encapsulations
P5P 50 (Active Vitamin B6)
50 mg pyridoxal-5-phosphate · 60 capsules
$20.50for 60 doses
$0.342per dose
$0.00683 / mg
P5P (active form) — best for those with limited B6 conversion ability. 180-cap (B001WUTBBQ, $52.50) ~15% cheaper per cap.
Note
Thorne doesn't carry standalone B6 (it's in their B-Complex products).