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

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

Swanson Ultra4.8 (2,339 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 60 servings
$12.09 $0.20 per serving
iHerbLowest$12.09iHerb$14.49

Product analysis

89 out of 100

R-5-P Coenzymated Vitamin B-2 50 mg offers a clearly identified form of vitamin B2 at a favorable serving cost. The straightforward label makes it easy to compare with other B2 supplements.

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

Nutrient Quality100

Vitamin B2 is supplied in a clearly identified, favorable form. The named form makes comparisons with similar supplements straightforward.

Ingredient Transparency100

The amount and form of vitamin B2 are both disclosed. You can compare the serving directly with similar supplements.

Value For Money100

The vitamin B2 serving offers good value. Its favorable cost makes price comparison straightforward for someone seeking this form.

Customer Satisfaction88

Customer feedback is very positive. Thousands of ratings give a broad view of satisfaction, without proving health benefits.

Product Focus40

The formula focuses on vitamin B2 alone. Its benefits for a specific health goal remain uncertain.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.20
Customer rating
4.8 · 2,339 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
Riboflavin (Riboflavin 5-Phosphate)
 50 mg 100
Adults 18–50 Vegetarian
Report overview
Riboflavin (Riboflavin 5-Phosphate) · 50 mg OverallScore100
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
Each serving lists 50 mg of riboflavin from riboflavin 5-phosphate. The whole-product serving costs about $0.20.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The recorded form is riboflavin 5-phosphate, a coenzyme form of vitamin B2.
Riboflavin Form Quality
Riboflavin 5-phosphate is the recorded form of vitamin B2.

Dose, Safety & Label Transparency100

The vitamin B2 amount is recorded for the serving.
Dosage for Energy & Metabolism
A serving provides 50 mg of riboflavin.
R5P Elemental Yield Transparency
The serving records 50 mg of riboflavin itself from the phosphate source.
Additive Purity
No artificial dyes or sweeteners are flagged in the supplied facts.

Value100

The whole-product serving costs about $0.20; that price covers the entire product.
Price per Serving Value
The whole-product serving costs about $0.20.
View ingredientView products
83 Performance

BioCoenzymated Riboflavin 5'-Phosphate 50 mg

Natural Factors

Stronger supplied quality and collection evidence favors active riboflavin 5-phosphate at 50 mg over the original’s active riboflavin 5-phosphate at 50 mg. The formula remains closely aligned with riboflavin use, while dose, format, and missing label details remain practical trade-offs.

79 Performance

Riboflavin 5'-Phosphate

Thorne

Stronger supplied quality and collection evidence favors active riboflavin 5-phosphate at 36.5 mg over the original’s active riboflavin 5-phosphate at 50 mg. The formula remains closely aligned with riboflavin use, while dose, format, and missing label details remain practical trade-offs.

74 Performance

Riboflavin 400 mg

Seeking Health

Stronger supplied quality and collection evidence favors active riboflavin 5-phosphate at 400 mg over the original’s active riboflavin 5-phosphate at 50 mg. The formula remains closely aligned with riboflavin use, while dose, format, and missing label details remain practical trade-offs.

83 Budget

B-2 100 mg

NOW

Lower serving cost makes standard riboflavin at 100 mg the more economical riboflavin option. Compared with the original’s active riboflavin 5-phosphate at 50 mg, the supplied formula changes the dose, form, or supporting ingredients, so those differences should guide the choice.

83 Budget

Riboflavin 100 mg

Swanson

Lower serving cost makes standard riboflavin at 100 mg the more economical riboflavin option. Compared with the original’s active riboflavin 5-phosphate at 50 mg, the supplied formula changes the dose, form, or supporting ingredients, so those differences should guide the choice.

83 Budget

Riboflavin Vitamin B2 100 mg

Nature's Way

Lower serving cost makes standard riboflavin at 100 mg the more economical riboflavin option. Compared with the original’s active riboflavin 5-phosphate at 50 mg, the supplied formula changes the dose, form, or supporting ingredients, so those differences should guide the choice.

83 Value

Vitamin B2 100 mg

NaturesPlus

A stronger quality-to-cost balance makes standard riboflavin at 100 mg a practical value alternative to the original’s active riboflavin 5-phosphate at 50 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

Nutricost

A stronger quality-to-cost balance makes standard riboflavin at 100 mg a practical value alternative to the original’s active riboflavin 5-phosphate at 50 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 active riboflavin 5-phosphate at 50 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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