SuppHelper
search
Home›Supplements›Vitamin›Riboflavin›Riboflavin 5'-Phosphate Thorne
Product Image

Riboflavin 5'-Phosphate

Thorne
4.9
★ ★ ★ ★ ★
(2033 ratings)
Riboflavin 36.5 mg
Product Image
Score 88

An active, coenzymated Riboflavin 5'-Phosphate supplement (36.5 mg) from Thorne, for direct metabolic and energy support.

How scoring works
scaleQuantity:60 Capsule(s) • (60 servings)
track_changesGoals:
flag Metabolism Boost
flag Detoxification
flag Energy
flag Skin Health
flag Vision Support

leaderboard Score 88

An active, coenzymated Riboflavin 5'-Phosphate supplement (36.5 mg) from Thorne, for direct metabolic and energy support.

How scoring works
Also available as 3 options
50.0mg • 60 servings B2 50 mg • 60 Capsule(s) • 60 servings $11.59 ($0.19 per serving) 18.0mg • 60 Tablet(s) servings 18.0mg • 60 Tablet(s) • 60 servings $12.25 ($0.20 per serving) 50.0mg • 30 servings B2 50 mg • 30 Capsule(s) • 30 servings $8.37 ($0.27 per serving)
$32.00($0.53 per serving)
Pure Formulas
$ 32.00
iHerb
$ 32.00
flagReport prices
psychologyAnalysis

Thorne's Riboflavin 5'-Phosphate provides 36.5 mg of the active, coenzymated form of Vitamin B2. This form, already converted to its biologically active state, can be directly utilized by the body's cells for various functions, including energy production and metabolism. It is often preferred for individuals who may have genetic variations affecting nutrient conversion.

thumb_upPros
  • Features the active, coenzymated Riboflavin 5'-Phosphate Sodium.
  • Directly available for the body's metabolic processes.
  • From the highly regarded Thorne brand, known for quality formulations.
  • Capsule form for easy intake.
thumb_downCons
  • Higher price per serving compared to standard riboflavin.
  • Lower dose (36.5 mg) compared to many standard B2 supplements.
  • Only 60 servings, requiring more frequent reorders for long-term use.
warningWarnings
  • Riboflavin can cause urine to turn a bright yellow color, which is a normal and harmless effect.
  • As with any supplement, it's wise to consult a healthcare professional, especially if you have existing health conditions.
scienceNutrient quality
95 Highest impact

The use of the active Riboflavin 5'-Phosphate Sodium is a significant quality advantage, providing the biologically active form. This ensures superior utilization by the body.

visibilityIngredient transparency
85 Highest impact

Clearly specifies 'Riboflavin 5'-Phosphate Sodium' and its quantity, ensuring excellent ingredient clarity. This allows for detailed understanding of the product's composition.

workspace_premiumValue for money
75 High impact

While very expensive, the brand reputation and the active, highly bioavailable form provide strong value for those prioritizing quality and direct absorption. It's a worthy investment for optimized nutrient delivery.

thumb_upCustomer satisfaction
85 Highest impact

With nearly 2000 reviews, it shows strong customer satisfaction for a premium, active B2 product. This indicates positive user experiences and trust in the brand.

storefrontBrand
90 Highest impact

Thorne is widely recognized as a premium brand in the supplement industry, often trusted for high-quality and research-backed formulations. They are leaders in advanced supplements.

flagReport analysis
track_changesGoals
flagVision Support
Impact
Highest effect
The active form of riboflavin can efficiently support metabolic pathways vital for maintaining healthy vision and eye tissues. It ensures more direct involvement in ocular processes.
View goal →
flagMetabolism Boost
Impact
Highest effect
Providing the body with already activated riboflavin directly supports its role in efficient energy metabolism. This can lead to more effective nutrient processing.
View goal →
flagEnergy
Impact
Highest effect
This coenzymated form directly contributes to the energy production cycle within cells, potentially offering more immediate support for vitality. It bypasses conversion steps for faster action.
View goal →
flagDetoxification
Impact
Highest effect
The active form of riboflavin is a crucial component of enzyme systems involved in the body's natural detoxification processes. It helps various detox pathways function optimally.
View goal →
flagSkin Health
Impact
Highest effect
Active riboflavin can more readily assist cellular processes important for maintaining healthy skin and tissue integrity. It supports cellular repair and regeneration.
View goal →
scienceIngredients
IngredientAmount per serving
Riboflavin
36.5 mg
grain_off Gluten Free person Adults 18–50
flagReport overview
Riboflavin 90
This product provides a highly bioavailable, active form of riboflavin, often considered superior for direct bodily utilization. It represents a premium option for B2 supplementation within the collection.
scienceView ingredientinventory_2View products
inventory_2Alternative products
84 Value

Vitamin B Complex

California Gold Nutrition
4.8
★★★★★
(7084 ratings)
This B-complex includes active Riboflavin 5-Phosphate (26mg) and standard Riboflavin. At a much lower price per serving and a good overall score, it offers a great balance of active B2 and comprehensive B-vitamin support, representing excellent value.
Other sellers (0)
78 Value

Riboflavin 400 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(296 ratings)
While not the active form, this product delivers a massive 400 mg dose of Riboflavin for a much lower price per serving. It provides excellent value if high quantity Riboflavin is your primary goal, supporting robust metabolic needs effectively.
Other sellers (1)
88 Value

Mega Vitamin B-Stress

Solaray
4.7
★★★★★
(4783 ratings)
This B-complex offers 100 mg of Riboflavin along with a full spectrum of other B vitamins. With a higher score and lower price per serving than your current product, it provides comprehensive B-vitamin support, making it a strong value for overall vitality.
Other sellers (2)
92 Performance

Riboflavin 400 mg

Seeking Health
4.9
★★★★★
(836 ratings)
This is a robust option that includes both standard Riboflavin and a massive 400 mg of its active form, Riboflavin 5'-Phosphate (R5P). It provides a significantly higher dose of active B2 compared to your current product, for much more intensive metabolic, energy, and detoxification support.
Other sellers (2)
88 Performance

Methyl-Guard Plus

Thorne
4.9
★★★★★
(2701 ratings)
This product (from the same brand, Thorne) features a higher dose of active Riboflavin 5'-Phosphate (90 mg) alongside other key active B vitamins like B6, folate, and B12. This comprehensive blend may offer enhanced support for methylation, which is crucial for energy, detoxification, and cellular health.
Other sellers (2)
87 Performance

Multi Sport Men's Formula

NutraBio
4.7
★★★★★
(910 ratings)
This comprehensive multivitamin includes 100 mg of active Riboflavin 5-Phosphate, a much higher dose than your current product. It offers extensive support for energy, metabolism, vision, and skin health through a broad range of vitamins and minerals, making it a powerful all-in-one choice.
Other sellers (3)
78 Budget

Riboflavin 400 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(296 ratings)
This product delivers a much higher 400 mg dose of standard Riboflavin at a significantly lower cost per serving than your active R5P product. It's an excellent value if high quantity Riboflavin is your priority.
Other sellers (1)
88 Budget

Mega Vitamin B-Stress

Solaray
4.7
★★★★★
(4783 ratings)
This B-complex offers 100 mg of Riboflavin along with a full spectrum of other B vitamins at a lower price per serving. While a different form and lower B2 dose, its comprehensive nature and good score make it a cost-effective option for broad B-vitamin benefits.
Other sellers (2)
84 Budget

Vitamin B Complex

California Gold Nutrition
4.8
★★★★★
(7084 ratings)
This B-complex includes active Riboflavin 5-Phosphate (26mg) alongside standard Riboflavin at a much lower price per serving. It offers active B2 and comprehensive B-vitamin support, making it a strong value option.
Other sellers (0)
84 Value

Vitamin B Complex

California Gold Nutrition
4.8
★★★★★
(7084 ratings)
This B-complex includes active Riboflavin 5-Phosphate (26mg) and standard Riboflavin. At a much lower price per serving and a good overall score, it offers a great balance of active B2 and comprehensive B-vitamin support, representing excellent value.
Other sellers (0)
78 Value

Riboflavin 400 mg

AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(296 ratings)
While not the active form, this product delivers a massive 400 mg dose of Riboflavin for a much lower price per serving. It provides excellent value if high quantity Riboflavin is your primary goal, supporting robust metabolic needs effectively.
Other sellers (1)
88 Value

Mega Vitamin B-Stress

Solaray
4.7
★★★★★
(4783 ratings)
This B-complex offers 100 mg of Riboflavin along with a full spectrum of other B vitamins. With a higher score and lower price per serving than your current product, it provides comprehensive B-vitamin support, making it a strong value for overall vitality.
Other sellers (2)
92 Performance

Riboflavin 400 mg

Seeking Health
4.9
★★★★★
(836 ratings)
This is a robust option that includes both standard Riboflavin and a massive 400 mg of its active form, Riboflavin 5'-Phosphate (R5P). It provides a significantly higher dose of active B2 compared to your current product, for much more intensive metabolic, energy, and detoxification support.
Other sellers (2)
88 Performance

Methyl-Guard Plus

Thorne
4.9
★★★★★
(2701 ratings)
This product (from the same brand, Thorne) features a higher dose of active Riboflavin 5'-Phosphate (90 mg) alongside other key active B vitamins like B6, folate, and B12. This comprehensive blend may offer enhanced support for methylation, which is crucial for energy, detoxification, and cellular health.
Other sellers (2)
87 Performance

Multi Sport Men's Formula

NutraBio
4.7
★★★★★
(910 ratings)
This comprehensive multivitamin includes 100 mg of active Riboflavin 5-Phosphate, a much higher dose than your current product. It offers extensive support for energy, metabolism, vision, and skin health through a broad range of vitamins and minerals, making it a powerful all-in-one choice.
Other sellers (3)
flagReport alternatives

SuppHelper

Compare supplements smarter. Science-backed, user-rated, updated daily.

Explore

  • Compare Supplements
  • Health Goals
  • Stacks

Legal

  • Privacy Policy
  • Terms of Use
  • Medical Disclaimer

Stay in the Loop

Medical disclaimer: Information on SuppHelper is for educational purposes only and is not medical advice. Statements on this site about dietary supplements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before using supplements. Read full disclaimer

© 2025 SuppHelper. All rights reserved.