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Coenzymated B-2

Source Naturals
4.8
★ ★ ★ ★ ★
(1170 ratings)
Riboflavin 18 mg
Product Image
Score76
A straightforward moderate-dose B2 tablet is held back by an undisclosed form and limited potency.
How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:

Score 76

A straightforward moderate-dose B2 tablet is held back by an undisclosed form and limited potency.
How scoring works

Also available as

3 options
50.0mg • 60 servings B2 50 mg • 60 Capsule(s) • 60 servings $12.09 ($0.20 per serving) 50.0mg • 30 servings B2 50 mg • 30 Capsule(s) • 30 servings $8.37 ($0.27 per serving) 36.0mg • 60 servings B2 36.5 mg • 60 Capsule(s) • 60 servings $32.00 ($0.53 per serving)
$11.29($0.18 per serving)
iHerb
$ 12.25
iHerb
$ 12.25
Vitacost
$ 12.73
Pure Formulas
$ 11.29
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Analysis

The product provides a single clearly stated riboflavin amount in one tablet. Its moderate strength may suit users who want more than a multivitamin but do not need a very high dose.

The chemical form is not disclosed in the supplied data despite the coenzymated positioning. Without an explicit riboflavin-5-phosphate listing, metabolic readiness cannot be assumed.

The focused formula is easy to understand and has no unrelated ingredients in the provided information. Higher-potency products offer more riboflavin per serving, while lower-dose users may prefer this gentler step up.

Who is it for
  • Adults wanting moderate riboflavin
  • People who prefer one simple tablet
  • Users stepping up from multivitamin doses
Best for
  • Maintenance-to-moderate B2 intake
  • Simple single-nutrient use
  • Daily tablet convenience

Pros

  • Clearly stated riboflavin amount
  • Single-nutrient focus
  • One-tablet serving
  • Moderate strength

Cons

  • Chemical form is not identified
  • Coenzymated status cannot be verified
  • Low potency for targeted use
  • Only average dose-adjusted value

Nutrient quality

81 Highest impact

The undisclosed riboflavin form prevents confirmation of a coenzyme or other enhanced form. Riboflavin has low toxicity, and the disclosed amount raises no obvious safety concern.

Ingredient transparency

76 High impact

The riboflavin amount is clearly disclosed. No proprietary blend hides the active dose; daily directions and a complete inactive-ingredient list are not supplied.

Customer satisfaction

71 High impact

The supplied rating is strong, with limited volume behind it. Detailed feedback themes are absent, leaving repeated complaints and purpose fit uncertain.

Value for money

77 High impact

The simple formula provides fair quality despite uncertain form identity. The serving cost is modest, though the dose is not especially high.

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Ingredients

IngredientAmount per serving
Riboflavin
18 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Riboflavin · 18 mg OverallScore38
F Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD- Value

The undisclosed chemical form leaves riboflavin quality and metabolic readiness uncertain. The 18 mg amount is better suited to maintenance than high-potency support. The modest serving cost is helpful, but the low dose limits value.

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83 Performance

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

Swanson Ultra
<p>Stronger supplied quality and collection evidence favors active riboflavin 5-phosphate at 50 mg over the original’s active riboflavin 5-phosphate at 18 mg. The formula remains closely aligned with riboflavin use, while dose, format, and missing label details remain practical trade-offs.</p>
83 Performance

BioCoenzymated Riboflavin 5'-Phosphate 50 mg

Natural Factors
<p>Stronger supplied quality and collection evidence favors active riboflavin 5-phosphate at 50 mg over the original’s active riboflavin 5-phosphate at 18 mg. The formula remains closely aligned with riboflavin use, while dose, format, and missing label details remain practical trade-offs.</p>
79 Performance

Riboflavin 5'-Phosphate

Thorne
<p>Stronger supplied quality and collection evidence favors active riboflavin 5-phosphate at 36.5 mg over the original’s active riboflavin 5-phosphate at 18 mg. The formula remains closely aligned with riboflavin use, while dose, format, and missing label details remain practical trade-offs.</p>
83 Budget

B-2 100 mg

NOW
<p>Lower serving cost makes standard riboflavin at 100 mg the more economical riboflavin option. Compared with the original’s active riboflavin 5-phosphate at 18 mg, the supplied formula changes the dose, form, or supporting ingredients, so those differences should guide the choice.</p>
83 Budget

Riboflavin 100 mg

Swanson
<p>Lower serving cost makes standard riboflavin at 100 mg the more economical riboflavin option. Compared with the original’s active riboflavin 5-phosphate at 18 mg, the supplied formula changes the dose, form, or supporting ingredients, so those differences should guide the choice.</p>
83 Budget

Riboflavin Vitamin B2 100 mg

Nature's Way
<p>Lower serving cost makes standard riboflavin at 100 mg the more economical riboflavin option. Compared with the original’s active riboflavin 5-phosphate at 18 mg, the supplied formula changes the dose, form, or supporting ingredients, so those differences should guide the choice.</p>
83 Value

Vitamin B2 100 mg

NaturesPlus
<p>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 18 mg. The supplied label keeps the riboflavin form and amount assessable, while the different dose, format, or supporting ingredients may affect individual fit.</p>
82 Value

Vitamin B2 100 mg

Nutricost
<p>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 18 mg. The supplied label keeps the riboflavin form and amount assessable, while the different dose, format, or supporting ingredients may affect individual fit.</p>
82 Value

Vitamin B2 100 mg

Solgar
<p>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 18 mg. The supplied label keeps the riboflavin form and amount assessable, while the different dose, format, or supporting ingredients may affect individual fit.</p>
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