B-2 100 mg

B-2 100 mg

NOW4.8 (10,893 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 100 servings
$5.80 $0.05 per serving
Daily VitaLowest$5.80Pure Formulas$5.94iHerb$6.11Vitacost$6.49

Product analysis

69 out of 100

B-2 100 mg offers an inexpensive single-vitamin option with clearly stated amount and form, making serving comparisons straightforward.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality30

Standard riboflavin offers modest ingredient-form quality. Its clearly named identity does not establish a special absorption advantage.

Ingredient Transparency100

The riboflavin amount and form are both clearly stated. Those details make it straightforward to compare the vitamin supplied with alternatives.

Value For Money100

The low serving cost makes riboflavin good value. It is an inexpensive way to obtain the stated vitamin amount.

Customer Satisfaction93

Customer feedback is very positive. Many thousands of reviews provide a broad picture of buyer satisfaction.

Product Focus40

The formula is simple, but a specific health benefit cannot be established from the available information. A named vitamin and amount alone do not show what results to expect.

Format
Capsule
Container
100 Capsule(s)
Per serving
$0.05
Customer rating
4.8 · 10,893 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
Riboflavin
100 mg 72
Gluten Free Adults 18–50 Kosher Dairy Free
Report overview
Riboflavin · 100 mg OverallScore72
F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
A serving supplies 100 mg of riboflavin, a high amount, from standard riboflavin. It costs about $0.06 per whole-product serving, toward the lower end of this comparison.
How this ingredient is rated

Active Ingredient Quality & Bioavailability30

Standard riboflavin needs conversion to an active form before the body can use it.
Riboflavin Form Quality
The named form is standard riboflavin, which requires conversion to its active form.

Dose, Safety & Label Transparency100

The serving provides 100 mg of riboflavin, a high amount. The vitamin B2 amount is stated, and the evaluation found no listed artificial dyes or synthetic sweeteners.
Dosage for Energy & Metabolism
A serving provides 100 mg of riboflavin, a high amount.
R5P Elemental Yield Transparency
The amount is stated as riboflavin; phosphate yield does not apply to this form.
Additive Purity
The evaluation found no listed artificial dyes or synthetic sweeteners.

Value100

The whole-product serving costs about $0.06, toward the lower end of this comparison.
Price per Serving Value
A whole-product serving costs about $0.06, toward the lower end of this comparison.
View ingredientView products
83 Performance

R-5-P Coenzymated Vitamin B-2 50 mg

Swanson Ultra

Active riboflavin 5-phosphate provides a clearer form-quality upgrade over the original’s standard riboflavin at 100 mg. The supplied label provides active riboflavin 5-phosphate at 50 mg, though the phosphate weight may not state the exact riboflavin yield and full directions are missing.

83 Performance

BioCoenzymated Riboflavin 5'-Phosphate 50 mg

Natural Factors

Active riboflavin 5-phosphate provides a clearer form-quality upgrade over the original’s standard riboflavin at 100 mg. The supplied label provides active riboflavin 5-phosphate at 50 mg, though the phosphate weight may not state the exact riboflavin yield and full directions are missing.

79 Performance

Riboflavin 5'-Phosphate

Thorne

Active riboflavin 5-phosphate provides a clearer form-quality upgrade over the original’s standard riboflavin at 100 mg. The supplied label provides active riboflavin 5-phosphate at 36.5 mg, though the phosphate weight may not state the exact riboflavin yield and full directions are missing.

83 Budget

Riboflavin 100 mg

Swanson

Low serving cost keeps standard riboflavin at 100 mg among the nearest budget options available in the supplied list. Its cost is not clearly below the original’s, so the value case depends on whether the different dose, form, or supporting ingredients fit better.

83 Budget

Riboflavin Vitamin B2 100 mg

Nature's Way

Low serving cost keeps standard riboflavin at 100 mg among the nearest budget options available in the supplied list. Its cost is not clearly below the original’s, so the value case depends on whether the different dose, form, or supporting ingredients fit better.

83 Budget

Vitamin B2 100 mg

NaturesPlus

Low serving cost keeps standard riboflavin at 100 mg among the nearest budget options available in the supplied list. Its cost is not clearly below the original’s, so the value case depends on whether the different dose, form, or supporting ingredients fit better.

82 Value

Vitamin B2 100 mg

Nutricost

A stronger quality-to-cost balance makes standard riboflavin at 100 mg a practical value alternative to the original’s standard riboflavin at 100 mg. The supplied label keeps the riboflavin form and amount assessable, while the different dose, format, or supporting ingredients may affect individual fit.

82 Value

Vitamin B2 100 mg

Solgar

A stronger quality-to-cost balance makes standard riboflavin at 100 mg a practical value alternative to the original’s standard riboflavin at 100 mg. The supplied label keeps the riboflavin form and amount assessable, while the different dose, format, or supporting ingredients may affect individual fit.

82 Value

B-2 100 mg

Nature's Bounty

A stronger quality-to-cost balance makes standard riboflavin at 100 mg a practical value alternative to the original’s standard riboflavin at 100 mg. The supplied label keeps the riboflavin form and amount assessable, while the different dose, format, or supporting ingredients may affect individual fit.

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