NOW Foods

Biotin 1000mcg, 100 Capsules

NOW Foods Biotin 1000 mcg delivers this B-vitamin in a straightforward capsule form, supporting keratin infrastructure, normal fatty acid metabolism, and energy-yielding processes at the cellular level.

May be a fit for

  • Adults seeking biotin support for healthy hair and nail growth
  • Individuals on restrictive diets who may have low biotin intake
  • Those supporting biotin-dependent carboxylase enzyme activity daily
$8.99

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CapsulesFormat
100 CapsulesPack size
The essentials

A closer look.

NOW Foods Biotin 1000 mcg delivers this B-vitamin in a straightforward capsule form, supporting keratin infrastructure, normal fatty acid metabolism, and energy-yielding processes at the cellular level. It's a practical option for individuals seeking to maintain healthy hair, skin, and nail integrity as part of a balanced nutritional routine.

Why It's Worth Considering: NOW Foods keeps the formula clean and unfussy, a single-ingredient biotin supplement at a modest 1000 mcg dose, appropriate for daily foundational use without megadosing.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Adults seeking biotin support for healthy hair and nail growth
  • Individuals on restrictive diets who may have low biotin intake
  • Those supporting biotin-dependent carboxylase enzyme activity daily
  • People seeking 1000mcg biotin for normal fatty acid metabolism

Considerations

  • High-dose niacin with liver conditions (monitor liver enzymes)
  • B6 above 100mg/day long-term (risk of peripheral neuropathy)
  • Active cancer treatment (some B vitamins may interfere — consult oncologist)
Compatibility & interactions

Works Well With

Ask Gabriel for personalized stacking recommendations.

Take Separately From

No significant interactions identified. Always consult your healthcare provider.

What to expect over time
Day 1–7

Energy Boost

Noticeable improvement in energy levels

Week 2–4

Mood & Stress

Reduced stress perception, better coping

Month 1–2

Neurological

Improved cognitive clarity and focus

Month 2–3

Homocysteine

Measurable homocysteine reduction (cardiovascular marker)

Based on B-complex supplementation research. Water-soluble — yellow urine color is normal and harmless.

Compare the options

Compare B-Vitamin Forms

Methylated vs Standard vs Synthetic

FeatureMethylated (active)StandardSynthetic (cheap)
B12 FormMethylcobalaminHydroxocobalaminCyanocobalamin
Folate Form5-MTHF (methylfolate)Folinic acidFolic acid (synthetic)
B6 FormP-5-P (pyridoxal-5-phosphate)PyridoxalPyridoxine HCl
Best ForMTHFR variants, optimal absorptionGeneral useBudget (requires conversion)
MTHFR SafeYes — bypasses mutationMostly yesNo — cannot be converted by 40% of population
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Good to know

A few useful answers.

Research & further reading

More category questions

What does methylated mean and why does it matter?

Methylated B vitamins are in their active, bioavailable form — your body can use them immediately without conversion. About 40% of the population has MTHFR gene variants that impair conversion of synthetic folic acid to active folate. Methylated forms (methylcobalamin, methylfolate, P-5-P) bypass this issue entirely.

Why does my urine turn bright yellow after taking B vitamins?

This is completely normal and harmless. Riboflavin (B2) is a bright yellow fluorescent compound. When you take more than your body needs, the excess is excreted in urine, causing the distinctive color. It's actually a sign your body absorbed the B vitamins and is eliminating what it doesn't need.

Can I take B-complex in the evening?

B vitamins support energy production, so morning dosing is generally recommended. Some people find evening B-complex disrupts sleep due to increased energy. However, B6 and B12 are involved in melatonin production, so individual responses vary. If evening dosing doesn't affect your sleep, it's fine.

How do I know if I need B12 specifically?

Signs of B12 deficiency: fatigue, brain fog, tingling/numbness in extremities, balance issues, mood changes, and pale skin. At-risk groups: vegetarians/vegans (B12 is only in animal foods), adults over 50 (reduced absorption), and those taking metformin or PPIs (which deplete B12). A serum B12 test plus methylmalonic acid (more sensitive) can confirm.

Is it safe to take B vitamins every day?

Yes — B vitamins are water-soluble, meaning excess is excreted daily. No accumulation risk at standard supplement doses. The exception is B6 (pyridoxine): chronic doses above 100mg/day can cause peripheral neuropathy (nerve damage). The P-5-P form is safer at higher doses than pyridoxine HCl.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

NOW Foods - Biotin 1000mcg, 100 Capsules