---
product_id: 102389905
title: "THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules"
brand: "thorne"
price: "¥11163"
currency: JPY
in_stock: true
reviews_count: 11
category: "Thorne"
url: https://www.desertcart.jp/products/102389905-thorne-riboflavin-5-phosphate-vitamin-b2-r5p-supplement-60-capsules
store_origin: JP
region: Japan
---

# Active bioavailable B2 Free from 8 major allergens Supports healthy methylation THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules

**Brand:** thorne
**Price:** ¥11163
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your wellness game with the pure power of active B2!

## Quick Answers

- **What is this?** THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules by thorne
- **How much does it cost?** ¥11163 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/102389905-thorne-riboflavin-5-phosphate-vitamin-b2-r5p-supplement-60-capsules)

## Best For

- thorne enthusiasts

## Why This Product

- Trusted thorne brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clinically Trusted:** Endorsed by 100+ pro sports teams & top healthcare pros 🏅
- • **Methylation Mastery:** Boosts your body's vital methylation processes 🧬
- • **Allergen-Free Assurance:** Clean formula with zero gluten, dairy, soy, nuts, or shellfish 🚫
- • **Power-Packed Bioactive B2:** Riboflavin 5'-Phosphate for instant body absorption ⚡
- • **Metabolism & Energy Support:** Fuel your day with enhanced red blood cell formation and energy ⚡

## Overview

THORNE Riboflavin 5'-Phosphate (Vitamin B2) delivers a highly bioavailable form of B2 that supports methylation, red blood cell formation, and healthy metabolism. Free from major allergens including gluten, dairy, soy, and nuts, it’s trusted by professional sports teams and healthcare practitioners alike. Each capsule is NSF Contents Certified, ensuring purity and potency for adults seeking clean, effective supplementation.

## Description

Buy THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules | Supports Methylation, Red Blood Cell Formation & Healthy Metabolism*, Bioactive Vitamin B2, NSF Contents Certified on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Helped dandruff & skin a lot - Helped dandruff & seborrheic dermatitis tremendously! I must have had a B2 deficiency for years which created many symptoms. I recommend people check out Chris Masterjohn for his breakdown on Riboflavin. Throne is a very clean high quality brand and this product is another example of that
Review: Great product - Great product

## Features

- Active B2: The active form of vitamin B2 more readily used by the body*
- B Vitamin Formation: Important for the formation of other B vitamins, including niacin and active B6
- Methylation: Provides support for healthy methylation*
- Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts) This product also contains no soy, dairy, shellfish, or fish
- Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0797MLY4M |
| Age Range Description | Adult |
| Allergen Information | Dairy Free, Egg Free, Gluten Free, Peanut Free, Shellfish Free, Soy Free, Tree Nut Free |
| Best Sellers Rank | #12,984 in Health & Household ( See Top 100 in Health & Household ) #9 in Vitamin B2 (Riboflavin) Supplements |
| Brand | THORNE |
| Brand Name | THORNE |
| Customer Reviews | 4.8 out of 5 stars 588 Reviews |
| Diet Type | Gluten Free |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00693749115021 |
| Item Dimensions | 1.7 x 1.7 x 2.97 inches |
| Item Form | Capsule |
| Manufacturer | Thorne Research |
| Manufacturer Part Number | B115 |
| Model Number | B115 |
| Number of Items | 1 |
| Primary Supplement Type | Vitamin B2 |
| Product Benefits | Methylation |
| Specific Uses For Product | Digestive |
| UPC | 693749115021 |
| Unit Count | 60 Count |

## Product Details

- **Brand:** THORNE
- **Diet Type:** Gluten Free
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Primary Supplement Type:** Vitamin B2

## Images

![THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules - Image 1](https://m.media-amazon.com/images/I/716LDl1O29L.jpg)
![THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules - Image 2](https://m.media-amazon.com/images/I/71+gO76-XjL.jpg)
![THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules - Image 3](https://m.media-amazon.com/images/I/81N6QEIv33L.jpg)
![THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules - Image 4](https://m.media-amazon.com/images/I/81D+ZcIXj7L.jpg)
![THORNE Riboflavin 5'-Phosphate, Vitamin B2 (R5P) Supplement, 60 Capsules - Image 5](https://m.media-amazon.com/images/I/81bcvXjCDsL.jpg)

## Questions & Answers

**Q: What makes Thorne supplements high quality?**
A: Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption.

**Q: How does Thorne test its supplements for quality?**
A: To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality.

**Q: Are Thorne supplements clinically tested and safe?**
A: Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature.

**Q: Why are Thorne products more expensive than other supplements?**
A: When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements — we set the standard.

**Q: Where are Thorne supplements made and where are the ingredients sourced from?**
A: Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Helped dandruff & skin a lot
*by A***B on July 14, 2026*

Helped dandruff & seborrheic dermatitis tremendously! I must have had a B2 deficiency for years which created many symptoms. I recommend people check out Chris Masterjohn for his breakdown on Riboflavin. Throne is a very clean high quality brand and this product is another example of that

### ⭐⭐⭐⭐⭐ Great product
*by V***Y on August 6, 2026*

Great product

### ⭐⭐⭐⭐⭐ Great for energy
*by R***E on May 5, 2026*

Like buying my vitamins from Thorne this is not the first time for me. The supplement gives me energy. It’s a great value for the money. The pill is easy to swallow. It’s not a very big pill.

## Frequently Bought Together

- THORNE Riboflavin 5'-Phosphate - Bioactive Form of Vitamin B2 for Methylation Support* - 60 Capsules
- THORNE Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health, Blood Cell Function, Healthy Sleep & Methylation* - Gluten, Dairy & Soy-Free - 60 Capsules
- THORNE 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation, and Homocysteine Levels* - 60 Capsules - 5-MTHF 1mg

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**Shop now:** [https://www.desertcart.jp/products/102389905-thorne-riboflavin-5-phosphate-vitamin-b2-r5p-supplement-60-capsules](https://www.desertcart.jp/products/102389905-thorne-riboflavin-5-phosphate-vitamin-b2-r5p-supplement-60-capsules)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-15*