Niacinamide B-3 100 mg

Name: Niacinamide B-3 100 mg
Brand: Source Naturals
SKU: 1lAYAF8s
Rating: 4.7 (1399 reviews)

Source Naturals

4.7

★ ★ ★ ★ ★

(1399 ratings)

Niacin 100 mg

Score

A massive 250-tablet supply of gentle 100 mg Niacinamide for reliable, no-flush health support.

How scoring works

Quantity:250 Tablet(s) • (250 servings)

Goals:

Score 96

A massive 250-tablet supply of gentle 100 mg Niacinamide for reliable, no-flush health support.

How scoring works

Also available as

1 option

1500.00mg • 100 servings B3 1500 mg • 100 Tablet(s) • 100 servings $11.66 ($0.11 per serving)

$10.19($0.04 per serving)

Vitacost	$ 10.37
iHerb	$ 10.56

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Analysis

This supplement provides a foundational 100 mg dose of Niacinamide in a small, easy-to-take tablet. Niacinamide is a highly effective form of Vitamin B3 that supports skin barrier health and cellular energy without any flush. This lower dose is very gentle and perfect for consistent daily maintenance over several months.

The large bottle size and low price make it one of the most cost-effective B3 products on the market. It is a pure, single-ingredient formula that avoids unnecessary fillers, which is great for those with sensitive systems. It is a reliable choice for anyone looking for simple and effective daily B-vitamin support.

Pros

Very affordable price for 250 servings
Gentle 100 mg dose for high tolerability
Completely no-flush delivery system
Supports skin health and cellular energy
Clean, single-ingredient focus

Cons

May not be strong enough for higher therapeutic needs
Tablet form may be less preferred by some

Warnings

Take with a meal for the best absorption
Store in a cool, dry place away from light

Nutrient quality

Highest impact

Pure niacinamide provides the metabolic benefits of vitamin B3 without the flushing associated with nicotinic acid. The 100 mg dose is effective for supporting energy production and skin integrity in a safe manner.

Ingredient transparency

Highest impact

Labeling clearly identifies the niacin form as niacinamide and provides a precise dosage per tablet. This level of transparency is essential for consumers who specifically seek the non-flushing form of vitamin B3.

Customer satisfaction

Highest impact

Strong ratings from over a thousand reviews suggest a high level of consumer reliability and trust. Feedback consistently highlights the lack of side effects and satisfaction with the metabolic outcomes.

Value for money

100

Highest impact

The extremely low cost per serving offers outstanding value for a high-purity niacinamide supplement. It is a highly competitive choice for individuals seeking foundational B3 support.

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Ingredients

Display goals

Ingredient	Amount per serving
Niacinamide	100 mg

Report overview

Niacin · 100 mg OverallScore

Active Ingredient Quality & Bioavailability

A+

Dose, Safety & Label Transparency

A+

Value

Source Naturals Niacinamide 100 mg provides a clean, no-flush source of vitamin B3 for metabolic and skin health. It is an exceptionally cost-effective option for long-term supplementation.

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