Skip to product information
1 of 8

BESTVITE Vitamin B-2 (Riboflavin) 400mg - 240 Vegetarian Capsules

BESTVITE Vitamin B-2 (Riboflavin) 400mg - 240 Vegetarian Capsules

Regular price £45.17 GBP
Sale price £45.17 GBP Regular price
Save % Sold out

HOT PRODUCT | LOW STOCK

Carefully selected from trusted wellness brands

Free worldwide delivery

Secure checkout

Buy More Save More!

BESTVITE Vitamin B-2 (Riboflavin) 400mg - 240 Vegetarian Capsules

Regular price £45.17
Sale price £45.17 Regular price
Save % Sold out
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Tracked worldwide delivery. Estimated arrival between - and -.

Key Features of BESTVITE Vitamin B-2

BESTVITE Vitamin B-2 (Riboflavin) 400 mg is crafted with quality and purity at its core. Discover what makes it stand out:

  • High Potency: Each vegetarian capsule delivers 400 mg of riboflavin — a dose far exceeding the RDA, intended for targeted support of energy, skin, and cellular health.
  • Pure Formula: Contains no stearates, is non-GMO, gluten-free, and vegan. Free from common allergens and artificial additives, it suits a range of dietary needs.
  • Vegetarian Capsules: Plant-based capsules, ideal for vegetarians and vegans.
  • Manufactured in the USA: Produced in an advanced facility in the United States, adhering to strict GMP standards (NSF/ANSI 455-2 certified).
  • Third-Party Tested: Each batch is independently tested for potency, purity, and quality, ensuring a reliable supplement every time.

These features reflect BESTVITE's dedication to high-quality dietary supplements that meet exacting standards.

What Is Vitamin B-2 (Riboflavin)?

Riboflavin, commonly known as vitamin B-2, is one of the eight B vitamins essential for human health. It plays a pivotal role in energy metabolism, helping convert carbohydrates, fats, and proteins into adenosine triphosphate (ATP) — the body's main energy currency. Riboflavin is also crucial for the proper function of other B vitamins, particularly vitamin B6 and folate, and supports the maintenance of healthy skin, hair, and vision.

Although riboflavin is found in foods like eggs, dairy, meat, and green leafy vegetables, supplementation ensures adequate intake, especially for those with dietary restrictions or increased needs. The body stores little riboflavin, so regular consumption is important. Deficiency can lead to fatigue, skin disorders, and a sore throat. Athletes, individuals under chronic stress, or those with certain health conditions may benefit from higher doses. The recommended daily allowance for adults is about 1.1–1.3 mg, but therapeutic doses like 400 mg are used for specific health outcomes.

Riboflavin is water-soluble; excess is excreted in urine, often turning it bright yellow — a harmless sign of absorption. In the body, it is converted into flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD), coenzymes essential for redox reactions in cellular respiration, making riboflavin indispensable for cellular energy production.

Benefits of Vitamin B-2

Vitamin B-2 contributes to numerous physiological processes. Supplementation may support overall wellbeing in several ways:

Energy Production

As a key component of FMN and FAD, riboflavin is directly involved in the electron transport chain, aiding ATP generation. Adequate intake helps maintain normal energy levels and may reduce feelings of fatigue, particularly valuable for active individuals and those experiencing occasional tiredness.

Skin and Vision Health

Riboflavin supports the maintenance of healthy skin and mucous membranes. It assists in the metabolism of other B vitamins important for skin integrity, such as niacin and vitamin B6. Additionally, it helps protect eye tissues from oxidative stress, contributing to normal vision.

Cellular Health

Riboflavin acts as an antioxidant, protecting cells from oxidative damage caused by free radicals. It also supports the regeneration of glutathione, one of the body's most potent antioxidants. By maintaining cellular health, riboflavin supports the body's natural defences.

Nervous System Support

The nervous system depends on riboflavin for proper function. It is necessary for myelin sheath formation and neurotransmitter synthesis. Adequate levels may help maintain normal nervous system function and cognitive health.

These benefits highlight why riboflavin is an essential nutrient for overall health. Consistent supplementation can help bridge dietary gaps and support these critical functions.

How to Take Vitamin B-2

For best results, take one capsule daily with a meal. Riboflavin is water-soluble, so taking it with food may enhance absorption. The typical dose in this product is 400 mg, which is high. If you are new to riboflavin, consider starting with a lower dose and consult a health care professional to ensure suitability.

Consistency is key — incorporate the supplement into your daily routine to maintain steady levels. Note that riboflavin may cause urine to turn bright yellow, which is harmless and indicates absorption.

Side Effects and Interactions

Vitamin B-2 is generally well tolerated. The most common side effect is bright yellow urine, which is harmless. Some individuals may experience mild gastrointestinal upset, such as nausea or diarrhoea, especially at high doses. If these occur, reduce the dose or take with food.

Riboflavin may interact with certain medications, including:

  • Tricyclic antidepressants (e.g., amitriptyline): May reduce riboflavin levels.
  • Diuretics: May increase excretion of riboflavin.
  • Chemotherapy drugs: Some may interfere with riboflavin metabolism.

If you are pregnant, nursing, or have a medical condition, consult your health care provider before starting any new supplement. Riboflavin is considered safe during pregnancy at recommended doses.

These statements have not been evaluated by the Medicines and Health care products Regulatory Agency (MHRA). This product is not intended to diagnose, treat, , or prevent any disease.

How to Choose the Right Vitamin B-2 Supplement

When selecting a vitamin B-2 supplement, consider these factors for an informed choice:

  • Potency: Riboflavin supplements range from 50 mg to 400 mg. Higher potencies like 400 mg are often chosen for therapeutic purposes, while lower doses may suffice for maintenance. Consult a health care professional to determine the appropriate dose for your needs.
  • Form: Most supplements contain riboflavin itself, which is well-absorbed. Some products offer riboflavin-5-phosphate, the active coenzyme form, which may be beneficial for individuals with absorption issues. BESTVITE uses riboflavin, a cost-effective and reliable form.
  • Purity: Look for supplements free from unnecessary fillers, stearates, and common allergens. BESTVITE's formula is clean and transparent.
  • Certifications: Vegan, gluten-free, and non-GMO certifications help ensure the product aligns with your dietary preferences. GMP certification indicates manufacturing quality.
  • Brand Reputation: Choose brands transparent about sourcing and testing. BESTVITE's NSF GMP certification and third-party testing demonstrate a commitment to quality.

By considering these factors, you can select a supplement that meets your health goals and quality standards.

Frequently Asked Questions

Can I take vitamin B-2 on an empty stomach?

Yes, but taking it with a meal may improve absorption and reduce the chance of mild gastric discomfort.

Is 400 mg of vitamin B-2 safe?

For most adults, 400 mg is considered safe. However, it is always wise to consult a health care provider before taking high doses.

Does vitamin B-2 interact with alcohol?

Alcohol can impair riboflavin absorption and increase excretion. Regular alcohol consumption may increase the need for riboflavin.

Can I take vitamin B-2 with other B vitamins?

Yes, riboflavin works synergistically with other B vitamins. Taking it as part of a balanced B-complex or with individual B vitamins is generally safe.

Worldwide Delivery

Orders are prepared with clear worldwide delivery expectations from the product page through dispatch. Delivery estimates are shown before checkout where available, and tracking details are sent after the order leaves fulfilment so customers can follow the parcel and plan around the expected arrival window.

Returns and support

UK Vitality Vitamins offers straightforward post-purchase support with a clear returns process. Please check the store returns policy before sending an item back, as final eligibility may depend on product condition, packaging integrity and whether the return request is started within the stated return window.

How to choose

Use the product description, ingredient list, serving information and available variants to compare supplement options. Always check the full ingredient list, directions for use and any allergen information on the product packaging before taking any food supplement.

Ingredients and important information

Ingredient lists and formulations may vary by batch or supplier. Always check the product packaging for the most up-to-date information. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. If you are pregnant, nursing, taking medication or have a medical condition, consult your healthcare professional before use.

View full details
  • Tracked worldwide delivery

    Clear delivery messaging for shoppers worldwide.

  • Secure checkout

    Secure checkout.

  • Clear returns

    Returns information is written plainly before purchase.

  • Trusted brands

    Carefully selected supplements from established wellness brands.

Supplement guide

BESTVITE Vitamin B-2 (Riboflavin) 400mg - 240 Vegetarian Capsules at UK Vitality Vitamins

Key Features of BESTVITE Vitamin B-2BESTVITE Vitamin B-2 (Riboflavin) 400 mg is crafted with quality and purity at its core. Discover what makes it stand out: High Potency: Each vegetarian capsule delivers 400 mg of ...

Category Vitamin B-2
Delivery area Worldwide
Checkout Secure checkout
Brand BESTVITE
Price £45.17
Availability In stock
B VitaminBESTVITECellular HealthEnergy SupportGluten FreeGMP CertifiedHigh PotencyMade in USANervous System SupportNon-GMO

How to choose if this supplement fits your routine

Read the ingredient list, check the serving size and directions for use. Consider the supplement form (tablet, capsule, liquid) and whether it suits your dietary requirements. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

What UK Vitality Vitamins shows before checkout

Every product page displays price, availability, variant choices, ingredient information, directions for use, allergen details, worldwide delivery expectations and secure checkout — so you can make an informed decision quickly.

Questions about BESTVITE Vitamin B-2 (Riboflavin) 400mg - 240 Vegetarian Capsules

Is BESTVITE Vitamin B-2 (Riboflavin) 400mg - 240 Vegetarian Capsules available with worldwide delivery?

Yes. This product is currently available on UK Vitality Vitamins with free worldwide delivery.

How should I compare this with similar supplements?

Compare the active ingredients, serving size, number of servings per container, supplement form, brand reputation and price per serving. Check allergen information if relevant to your dietary needs.

Where can I find delivery and returns information?

Delivery information is shown near the add to basket area. Returns guidance is available on the product page and full terms are covered in the store returns policy.

Supplement shopping with clarity

UK Vitality Vitamins product pages display ingredients, directions, allergen details and delivery information clearly — so you can compare supplements and make informed choices quickly.