What dose of Biotin is effective for Biotin status?

Biotin at 5 mg lands inside the studied 0.03-10 mg window. DoseRank scores this product's dose fit at 78 out of 100.

How much does the best Biotin status supplement cost?

NOW Foods, Biotin, 5,000 mcg, 120 Veg Capsules works out at $0.07 per serving. $0.07 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.06 per serving.

Does DoseRank get paid to rank a product first?

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

The short answer · Biotin status

Take biotin for biotin status. This is the one to buy.

NOW Foods, Biotin, 5,000 mcg, 120 Veg Capsules

4.8· 72,975 ratings· $0.07/serving

DoseRank score88

Biotin 5 mg — inside the studied 0.03-10 mg window

Of 2,385 products scored for Biotin status, NOW Foods, Biotin, 5,000 mcg, 120 Veg Capsules ranks #1 with a DoseRank score of 88. Biotin is the strongest evidence signal for this outcome.

View on iHerb 60-sec quiz instead

Cheaper alternative$0.05 per serving21st Century, Biotin, 110 Easy Swallow Tablets

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Biotin — not D-Biotin?”

Biotin is the strongest evidence signal for this outcome.

BiotinThe pick
Strong evidence · 5 mg
Vitamin B7 and cofactor for carboxylase enzymes in fat and amino acid metabolism; deficiency causes hair thinning and skin rash.
D-Biotin
Strong evidence · 10000 mcg
The biologically active, naturally occurring stereoisomer of biotin (vitamin B7); supports fatty acid synthesis, amino acid metabolism, and is the form used in virtually all supplements.

Buy the #1 pick

The dose“Is the dose actually effective?”

Biotin at 5 mg lands inside the studied 0.03-10 mg window.

Biotin

Studied window 0.03-10 mg · this pick 5 mg

The ranking“Why should I trust this pick?”

Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.

2,385 products scored
Never paid placement
Evidence level: Strong · 92
280 brands
4 ingredients

See the full analysis — every score, every product How the ranking works

The price“Can I do better than $0.07 a serving?”

$0.07 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.06 per serving.

9
NOW Foods, Biotin, 1,000 mcg, 100 Veg CapsulesScore 87 · $0.06/serving
iHerb
5
21st Century, Biotin, 360 TabletsScore 87 · $0.06/serving
iHerb

Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.

Ready?

The #1 pick is $0.07 a serving.

NOW Foods, Biotin, 5,000 mcg, 120 Veg Capsules — in stock at a tracked retailer.

View on iHerb

Want it personal instead?

A saved, shareable breakdown: your matched products, dose math, and interaction flags to discuss with a clinician.

Or take the 60-sec quiz →

Questions

Frequently asked

NOW Foods, Biotin, 5,000 mcg, 120 Veg Capsules ranks #1 for Biotin status with a DoseRank score of 88. The score blends clinical strength, evidence, dose fit, trust signals and value across 2,385 products scored for this outcome.

Frequently asked