Biotin

3 brands compared · cheapest first

Life ExtensionBest value

Biotin 600 mcg

600 mcg biotin · 100 capsules

$8.00for 100 doses
$0.080per dose

$0.000133 / mcg

Much lower dose per cap — for hair/nails consider higher-dose options. WARNING: high-dose biotin (above ~5mg) can cause false-positive thyroid lab results — stop biotin 3 days before bloodwork.

Pure Encapsulations

Biotin 8 mg

8,000 mcg biotin · 120 capsules

$26.50for 120 doses
$0.221per dose

$0.000028 / mcg

120-cap is best value of the three per mcg.

Thorne

Biotin (B7)

8,000 mcg biotin · 60 capsules

$28.00for 60 doses
$0.467per dose

$0.000058 / mcg

Thorne standard 8mg biotin.