Thorne Riboflavin 5'-Phosphate | Active Vitamin B2 Australia

Thorne Riboflavin 5'-Phosphate by Thorne, 60 capsule active vitamin B2 supplement for daily nutritional support

$54.95 AUD

Thorne Riboflavin 5'-Phosphate provides the bioactive form of vitamin B2 to support energy production, healthy methylation, and the activation of other essential B vitamins. A practitioner-trusted formula designed for optimal absorption and everyday nutritional support.

Thorne Riboflavin 5'-Phosphate provides vitamin B2 in its active, tissue-ready form: Riboflavin 5'-Phosphate Sodium. Unlike standard riboflavin, this pre-activated form is readily available for the body to utilise and plays an important role in supporting normal B vitamin metabolism, including the conversion of vitamin B6 and folate into their active forms.

As part of the B vitamin family, riboflavin contributes to normal energy metabolism and supports the body’s natural processes involved in nutrient utilisation. Thorne’s formula is designed for individuals seeking a high-quality vitamin B2 supplement with a carefully selected ingredient profile and rigorous manufacturing standards.

Thorne is recognised globally for its commitment to science-backed formulations, purity and quality testing. Each product undergoes comprehensive testing to verify ingredient identity, potency and purity, helping ensure every capsule meets the high standards expected from a leading practitioner-focused supplement brand.

What Makes This Product Different?

Bioactive Riboflavin 5'-Phosphate Form

Provides vitamin B2 as Riboflavin 5'-Phosphate Sodium, the active form of riboflavin that is ready for the body to use without requiring the same conversion process as standard riboflavin.

Practitioner Trusted Formula

Thorne is widely used by healthcare professionals worldwide for its commitment to research, ingredient quality and transparent manufacturing practices.

Third-Party Tested for Quality

Each batch is tested to confirm the contents match the label and to verify purity, including screening for contaminants such as heavy metals, pesticides and microorganisms.

Clean Ingredient Profile

Formulated without gluten, dairy or soy, making it suitable for individuals seeking a simple and well-tolerated vitamin B2 supplement.

Supports Key B Vitamin Pathways

Riboflavin contributes to normal energy metabolism and supports the body’s natural processes involved in converting and utilising other B vitamins.

Who May Benefit From Thorne Riboflavin 5'-Phosphate?

Thorne Riboflavin 5'-Phosphate may be suitable for:

Individuals looking to supplement their intake of vitamin B2 (riboflavin)
Wellness-conscious consumers seeking active-form B vitamins
Busy professionals wanting convenient daily nutritional support
Individuals following diets that may provide lower levels of specific nutrients
Those interested in supporting healthy energy metabolism as part of a balanced lifestyle
Individuals looking for practitioner-quality vitamin supplements
People seeking a clean-label B vitamin formula without gluten, dairy or soy

Serving Size: 1 Capsule

Servings Per Container: 60

Active Ingredient (per serve):

Riboflavin (as Riboflavin 5'-Phosphate Sodium) — 36.5 mg

Other Ingredients: Calcium Laurate, Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Silicon Dioxide

Free From: Gluten, Dairy, Soy, Artificial Colours, Artificial Flavours

Take 1 capsule one to three times daily, or as recommended by your healthcare practitioner.

For best results, use consistently as part of a balanced diet and healthy lifestyle, or as directed by your healthcare practitioner.

What is Thorne Riboflavin 5'-Phosphate used for?

Thorne Riboflavin 5'-Phosphate is a vitamin B2 supplement formulated with the active form of riboflavin. Riboflavin contributes to normal energy metabolism and supports the body’s natural processes involved in utilising other B vitamins, including vitamin B6 and folate pathways.

What makes Riboflavin 5'-Phosphate different from regular riboflavin?

Riboflavin 5'-Phosphate is the active form of vitamin B2. The body typically converts riboflavin into this form before use, while Riboflavin 5'-Phosphate Sodium provides this bioactive form directly in a supplement format.

Who is Thorne Riboflavin 5'-Phosphate suitable for?

This formula may be suitable for adults seeking a high-quality vitamin B2 supplement, particularly those interested in active-form B vitamins, practitioner-quality nutritional support or a clean ingredient profile.

How do I take Thorne Riboflavin 5'-Phosphate?

The recommended serving is one capsule one to three times daily, or as directed by a healthcare practitioner. It can be taken alongside a balanced diet and other nutritional supplements where appropriate.

Does Thorne Riboflavin 5'-Phosphate contain gluten, dairy or soy?

No. Thorne Riboflavin 5'-Phosphate is formulated without gluten, dairy or soy, and is designed with a simple ingredient profile suitable for individuals seeking a clean-label supplement.

Why choose Thorne supplements?

Thorne is a globally recognised supplement brand known for its rigorous testing standards, high-quality ingredients and practitioner-focused formulations. Each product is manufactured with a focus on purity, consistency and transparency.

Always read the label and follow the directions for use.
If pregnant or breastfeeding, consult your healthcare practitioner before use.
Do not use if you have a known hypersensitivity to any of the ingredients.
Keep out of reach of children.
Store in a cool, dry place.
Do not use if the safety seal is broken or missing.

At The Supplement Edit, we make it easy to access premium supplements online. Every order is packed and dispatched from our Victorian warehouse, with fast Australia-wide shipping, secure checkout, and reliable customer support.

We carefully curate our product range to focus on quality, transparency, and trusted wellness brands, giving you confidence in every purchase. Whether you're replenishing your daily essentials or discovering a new addition to your wellness routine, you can shop knowing you're receiving genuine products from an Australian-owned online supplement retailer.

✔ Fast dispatch from Victoria
✔ Secure online checkout
✔ Premium wellness and supplement brands
✔ Australia-wide shipping
✔ Trusted Australian retailer