Vitamin B12
3 brands compared · cheapest first
Life ExtensionBest value
Vitamin B12 Methylcobalamin 1 mg Lozenges
1,000 mcg methylcobalamin · 60 lozenges
$7.50for 60 doses
$0.125per dose
$0.000125 / mcg
Sublingual lozenge — bypasses gut absorption issues. Cheapest by 2-3x. 5mg version (B007GAMEUG, $24/60) for deficiency correction.
Pure Encapsulations
Methylcobalamin 1,000 mcg
1,000 mcg methylcobalamin · 180 capsules
$49.50for 180 doses
$0.275per dose
$0.000275 / mcg
180-cap size = 6 months at 1/day. Cheaper per cap than smaller bottles.
Thorne
Vitamin B12 (Methylcobalamin)
1,000 mcg methylcobalamin · 60 capsules
$24.00for 60 doses
$0.400per dose
$0.0004 / mcg
Active methylcobalamin form — essential for MTHFR variant carriers (30%+ of population).