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Niacinamide B-3 100 mg

Source Naturals
4.7
★ ★ ★ ★ ★
(1559 ratings)
Niacin 100 mg
Product Image
Score86
Clear dosing, low flush potential, and strong value make this a practical focused niacinamide supplement.
How scoring works
Quantity:250 Tablet(s) • (250 servings)
Goals:

Score 86

Clear dosing, low flush potential, and strong value make this a practical focused niacinamide supplement.
How scoring works

Also available as

1 option
1500.00mg • 100 servings B3 1500 mg • 100 Tablet(s) • 100 servings $11.83 ($0.11 per serving)
$10.27($0.04 per serving)
Vitacost
$ 10.27
iHerb
$ 10.56
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Analysis

The tablet supplies 100 mg of niacinamide in a simple, focused formula. Niacinamide supports general B3 nutrition and is less likely than nicotinic acid to cause the classic niacin flush.

Exact active disclosure makes the dose straightforward to assess. The ordinary tablet does not offer specialized release, but that feature is not essential for this intended use.

A large number of servings and low serving cost create strong practical value. The product fits routine niacinamide use better than formulas aimed at lipid-focused nicotinic-acid dosing.

Who is it for
  • Adults seeking a focused niacinamide supplement
  • People who want to minimize classic niacin flushing
Best for
  • General B3 supplementation
  • Simple long-term niacinamide routines

Pros

  • Clearly identified niacinamide
  • Practical 100 mg amount
  • Low classic flush potential
  • Strong serving value

Cons

  • No specialized release system
  • Tablet format may not suit everyone
  • Not intended for nicotinic-acid-specific goals

Nutrient quality

92 Highest impact

Niacinamide is a well-defined non-flushing form for general vitamin B3 use. The amount is meaningful for a focused niacinamide supplement.

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Ingredient transparency

85 Highest impact

The single active ingredient has a specific amount. A complete inactive ingredient list was not supplied.

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Customer satisfaction

69 High impact

The available aggregate rating is reasonably strong for this category. No firsthand outcome details were supplied, so alignment with the intended use is uncertain.

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Value for money

97 Highest impact

The focused and clearly defined formula provides strong quality for the serving cost. The product is highly competitive among basic niacinamide tablets.

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Ingredients

IngredientAmount per serving
Niacinamide
100 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
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Niacin · 100 mg OverallScore90
B+ Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value

A clearly identified 100 mg niacinamide dose aligns well with skin and general niacin use. The tablet lacks specialized release technology but carries little classic flush risk. Its very low serving cost offers strong value.

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82 Performance

Sustained-Release Niacin with niaXtend 500 mg

Doctor's Best
Sustained-release nicotinic acid provides a clearly named form and controlled delivery, though the high amount still carries liver-related risk and needs safety guidance. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
82 Performance

No Flush Niacin (Inositol Hexanicotinate) 800 mg

Life Extension
Clearly named inositol hexanicotinate supports comfort-focused niacin use with less flushing, but its cardiovascular effects may be less direct than nicotinic acid. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
80 Performance

Niacinamide

Thorne
Niacinamide offers a clearly identified non-flushing form suited to NAD metabolism and skin-related use, although the amount is high for routine nutrition. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
85 Budget

Niacin 100 mg

Source Naturals
Clearly identified niacinamide provides a moderate, economical vitamin B3 serving with little classic flushing risk. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
80 Budget

Super Vitamin B-Complex

Spring Valley
Broad measured B-vitamin coverage offers strong value, though unspecified chemical forms and unnecessarily high thiamine limit refinement. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
81 Budget

B-Complex with Folic Acid plus Vitamin C

Nature's Bounty
A broad B-complex with vitamin C provides low-cost daily coverage, while conventional forms and duplicated thiamine entries reduce form quality. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
82 Value

Niacin 100 mg

Nature's Way
Clearly identified immediate-release nicotinic acid provides a modest and inexpensive niacin serving, but temporary flushing remains likely. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
80 Value

Niacinamide 500 mg

21st Century
A simple non-flushing niacinamide formula offers strong serving value, though the amount is well above basic nutritional needs. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
80 Value

No-Flush Niacin (Inositol Hexanicotinate) 500 mg

Solgar
Inositol hexanicotinate provides clearly named no-flush niacin exposure with practical value, while its effects may be less direct than nicotinic acid. The original already offers a moderate, clearly identified non-flushing dose, so this alternative is useful only when its different form, amount, or broader profile is specifically wanted.
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