vitamin
Vitamin B7 (Biotin)
Important for carboxylase enzymes in fat and carbohydrate metabolism.
What It Does
Biotin functions as a cofactor for key carboxylase enzymes.
It is often marketed for hair and nails, though deficiency is uncommon.
Who Needs It Most
Use this nutrient based on individual context, labs, diet pattern, and clinician guidance.
Signs of Deficiency
- Hair thinning
- Dermatitis
- Fatigue
Best Food Sources
Eggs (cooked)
Moderate
Nuts and seeds
Moderate
Sweet potatoes
Moderate
Supplement Guide
Best forms: D-biotin
What to look for: Laboratory test interference warning
What to avoid: High-dose use before blood testing
Timing: Any time, usually with food.
Who Should Avoid It
No major common contraindications in our database for this nutrient. Always check medication interactions.
The Research
PubMed citations are temporarily unavailable.
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