Vitamin B7

Hair growth +11.9%

Nail severity -57%

FPD -16.5

Growth improved

Lesions reduced

Growth + lesions

+0.180 mg/kg

Carboxylases ↑ biotin status

Lipids ↓ ~0.5-0.9

Growth/FPD improved

Biotin: enzyme support

MS: slower disability

+25% mortality reduction

Absorption/excretion ↑

+100% bioavailability

Deficiency markers ↓

Pregnancy needs ↑ biotin

Lactation excretion ↑69-76%

Supplementation lowers 3-HIA

CAL +0.93 mm

Vitamin levels maintained

Less shedding, denser scalp

+ terminal/vellus ratio

Triglycerides/VLDL ↓

Carboxylase markers ↑