Best Vitamin B2 (Riboflavin) Supplements of 2025

Vitamin B2, or riboflavin, is a vital nutrient essential for maintaining overall health and wellness. It is deeply involved in energy production, helps convert food into fuel, and supports the proper functioning of the nervous system, eyes, healthy skin, and enzymes. 

Vitamin B2 (riboflavin) plays an important role in the metabolism of steroids, drugs, and fats and in the formation of red blood cells. Vitamin B2 (riboflavin) deficiency is rare, and most people get an optimum amount through a balanced diet. However, some people, particularly pregnant women, vegans, vegetarians, and people with specific health conditions, need dietary supplements to meet their daily requirements. 

So, we decided to hunt the supplement market for the best B2 supplements and crafted this essential guide. This guide covers the best B2 or riboflavin supplements in the market and highlights the options with maximum bioavailability, efficacy, and absorption.

These choices are carefully selected to fulfil the needs of people with specific health needs, whether they want to support their overall wellbeing, enhance skin health, or boost energy levels. Keep reading to learn more about how the right selection of riboflavin supplements improves the health journey. Before moving forward, we have summed up the uses, side effects, reviews, and interactions of riboflavin in another article. Please read it for all the information. Now, let's go.

Best Vitamin B2 (Riboflavin) Supplements of 2025 at a Glance

• Solgar Vitamin B2 (Riboflavin) Capsules: This supplement is very affordable, supports overall health, and boosts energy production. £13 for 100 capsules at Welzo. 
• Seeking Health Riboflavin Vegetarian Capsules: This supplement is highly effective for mitochondrial health, red blood cell formation and energy production. £29.65 for 60 capsules at Welzo. 
• Lamberts Riboflavin High Strength Caps: This supplement by Lambert's is highly affordable and improves nervous health, vision and energy production. £10.99 for 100 capsules at Welzo. 
• Swanson Riboflavin (Vitamin B-2) Caps: These capsules by Swanson are highly affordable and improve skin health, energy production and nervous health. £7.63 for 100 at Welzo. 
• Biocare Vitamin B2 Veg Capsules: This supplement is very effective for nervous health, skin and energy production and is available at an affordable price of £6.77 for 30 capsules at Welzo.  
• Thorne Riboflavin 5' Phosphate Capsules: This supplement is the best choice for energy production, metabolism and energy and is available at an affordable cost of £28.94 for 60 capsules at Welzo. 
• Nature's Way Vitamin B2 (Riboflavin) Capsules: This supplement is of superior quality and is very effective in improving energy production. £12.23 for 100 capsules at Welzo. 
• HealthAid Vitamin B2 (Riboflavin) Prolonged Release Tablets: These prolonged-release riboflavin tablets are very effective in improving vision, skin and energy. £13.40 for 60 tablets at Welzo. 
• Source Naturals Vitamin B2 Tablets: This riboflavin supplement by Source Naturals supports eye and skin health and improves metabolism and energy production. £8.00 for 100 tablets at Welzo.  
• NOW Foods Vitamin B-2 (Riboflavin) Vcaps: These vegan riboflavin capsules are very effective in improving eye and skin health and improve metabolism and energy production. £8.10 for 100 vegan capsules at Welzo. 

Solgar Vitamin B2 (Riboflavin) Capsules

Price & availability: £13 (buy Solgar Vitamin B2 (Riboflavin) Capsules at Welzo)

Form & dosage: Capsules/ 100mg

Main ingredients: Riboflavin (vitamin B2),  anti-caking agents: (vegetable magnesium stearate & silicon dioxide), vegetable capsule shell: hydroxypropyl methylcellulose & bulking agent: microcrystalline cellulose

User reviews: 5/ 5 (based on 106 rating at Welzo) 

Why do we choose it? Solgar's Vitamin B2 (Riboflavin) is a fantastic addition to any health routine and is excellent value for money at just £13 for 100 capsules. It supports energy metabolism by converting proteins, fats, and carbohydrates into usable energy and is vegetarian-friendly for more usage appeal. Besides energy production, it supports a healthy nervous system and is valuable for vision, skin, and hair health. 

Moreover, these capsules easily add to the daily euros as all one needs to do is take one capsule per day. The product has enormous value due to its many positive reviews and is a reliable choice for those who want to boost their vitality. 

Seeking Health Riboflavin Vegetarian Capsules

Price & availability: £29.65 (buy Seeking Health Riboflavin Vegetarian Capsules at Welzo)

Form & dosage: Capsules/ 400mg

Main ingredients: Riboflavin (99% as riboflavin & 1% as riboflavin-5'-phosphate sodium)

User reviews: 5/ 5 (based on 118 rating at Welzo)

Why do we choose it? Seeking Health's Riboflavin 400 mg is a premium-quality supplement. Each capsule has 400 mg of B2, which is necessary for healthy growth, the formation of red blood cells, and energy production. Its formula has various coenzyme forms of riboflavin that convert vitamin B6 into its active form, P-5-P, and tryptophan into niacin. 

Besides these benefits, it helps achieve optimal levels of homocysteine and maintain mitochondrial functions. It is very easy to swallow, and all one needs to do is take one capsule per day with food. Many positive reviews back it, and it is a reliable choice for energy and overall health. 

Lamberts Riboflavin High-Strength Caps

Price & availability: £10.99 (buy Lamberts Riboflavin High Strength Caps at Welzo)

From & dosage: Capsules/ 50mg

Main ingredients: Riboflavin (vitamin b2), cellulose capsule shell (hydroxypropyl methylcellulose), silicon dioxide & magnesium stearate.

User reviews: 5/ 5 (based on 72 rating at Welzo)

Why do we choose it?: Lamberts Riboflavin 50mg is a great choice to maintain the levels of B2 in the body. It is also a great value for money due to a reasonable price tag of just £10.99 for 100 capsules and improves vision, skin health, formation of red blood cells and a healthy nervous system. It follows strict GMP standards and ensures effectiveness and high quality. 

It reduces fatigue and is a great choice for people with a busy and demanding lifestyle. The daily requirement of just 1-2 capsules makes it a good addition to the lifestyle. Overall, it is a trusted choice for wellness and better health.

Swanson Riboflavin (Vitamin B-2) Caps

Price & availability: £7.63 (buy Swanson Riboflavin (Vitamin B-2) Caps at Welzo)

Form & dosage: Capsules/ 100mg 

Main ingredients: Riboflavin (vitamin B2)

User reviews: 5/ 5 (based on 96 rating at Welzo)

Why do we choose it? Swanson Riboflavin Vitamin B-2 is of excellent quality and excellent value for money, with a reasonable price tag of just £7.63 for 100 capsules. Each capsule contains 100mg of riboflavin, which improves nerve functions, energy production, and healthy eyes and skin. It easily fits into the daily wellness routine, as all one needs to do is take one capsule daily with food and water. 

It is produced under strict quality standards to ensure better quality and potency. It is a reliable choice for many people's wellness routines. It is best for people with more demanding health needs and dietary restrictions and is an effective and affordable way to improve overall vitality and health.

Biocare Vitamin B2 Veg Capsules

Price & availability: £6.77 (buy Biocare Vitamin B2 Veg Capsules at Welzo)

Form & dosage: Capsules/ 50mg

Main ingredients: Bulking agent (cellulose), vitamin b2 (riboflavin), capsule shell (hydroxypropyl methylcellulose), & anti-caking agents (magnesium stearate).

User reviews: 5/ 5 (based on 74 rating at Welzo)

Why do we choose it? Biocare's Vitamin B2 Capsules are a high-potency solution to support overall health and energy production. Each capsule delivers 50 mg of riboflavin, which is safe for daily usage. It reduces fatigue and tiredness, improves vision and skin health, and helps with energy production. 

It is also vital for hormonal balance, performance and mental health. Moreover, it is a convenient addition to the wellness routine and is very easy to take with a meal. It has numerous positive reviews at Welzo and is an affordable and reliable choice for health and vitality.

Thorne Riboflavin 5' Phosphate Capsules

Price & availability: £28.94 (buy Thorne Riboflavin 5' Phosphate Capsules at Welzo)

Form & dosage: Capsules/ 36.5mg

Main ingredients: Hypromellose capsule, cellulose, microcrystalline, silicon dioxide & calcium lactate.

User reviews: 5/ 5 (based on 90 rating at Welzo) 

Why do we choose it?: Thorne's Riboflavin 5' Phosphate is a premium quality health supplement that has an active form of riboflavin for various body functions, e.g., activation of various B vitamins, e.g., folate and B6. It aids in the conversion of tryptophan into niacin and is involved in hormone regulation, red blood cell synthesis and the metabolism of glucose and fats. To ensure that the body receives an adequate amount of riboflavin, it has high absorption. 

It has a flexible dosage program of 1-3 capsules per day and fits easily into the fitness routine of many people. It has numerous positive reviews at Welzo and is a tested choice for overall health and Enhanced Energy levels.

Nature's Way Vitamin B2 (Riboflavin) Capsules

Price & availability: £12.23 (buy Nature's Way Vitamin B2 (Riboflavin) Capsules at Welzo)

Form & dosage: Capsules/ 100mg

Main ingredients: Gelatin (capsule), cellulose & magnesium stearate.

User reviews: 5/ 5 (based on 74 rating at Welzo) 

Why do we choose it? Nature's Way Vitamin B2 is an exceptional-quality health supplement and is great value for money at £12.23 for 100 capsules. Each capsule contains riboflavin, a vital nutrient for the body that is the precursor of various enzymes that convert food into energy. It supports energy production and overall wellness and is a great addition to many people's health routines. 

It has superior quality standards and is an effective and reliable source of vitamin B2. Its simple formulation ensures nutritional support for those who want to improve their overall health and boost energy levels. So, elevate your health with the power of riboflavin and purchase this top-rated supplement today!

HealthAid Vitamin B2 (Riboflavin) Prolonged Release Tablets

Price & availability: £13.40 (buy HealthAid Vitamin B2 (Riboflavin) Prolonged Release Tablets at Welzo)

Form & dosage: Tablets/ 100mg

Main ingredients: Riboflavin 

User reviews: 5/ 5 (based on 124 rating at Welzo) 

Why do we choose it? HealthAid Vitamin B2 (Riboflavin), available as prolonged-release tablets, is an effective and reliable choice for nutritional support. It delivers a steady supply of riboflavin to ensure steady absorption throughout the day. It keeps the person revitalized by converting proteins, fats, and carbohydrates into energy, thus improving energy production. 

It also supports healthy vision, mucous membranes, and skin. It fulfils safety standards as it is free of soy, dairy, gluten, and artificial additives and is crafted for vegetarians. Each bottle lasts for almost two months and is thus an economical and convenient way to improve wellbeing, wellbeing and health. 

Source Naturals Vitamin B2 Tablets

Price & availability: £8.00 (buy Source Naturals Vitamin B2 Tablets at Welzo)

Form & dosage: Tablets/ 100mg

Main ingredients: Riboflavin (vitamin B2)

User reviews: 5/ 5 (based on 88 rating at Welzo) 

Why do we choose it? Source Naturals Vitamin B2 Tablets is a high-standard health supplement designed to maintain vision and healthy skin and improve cellular functions and energy production. Riboflavin is a superb antioxidant that protects the body from oxidative stress. This supplement is a pure and clean choice for vegetarians and is free of preservatives, flavours, and colours. 

It easily integrates into the daily routine, as all one needs to do is take one tablet. Overall, it is a healthy choice to boost health and energy levels. So, support your body's natural energy production by ordering this premium riboflavin supplement from Welzo now.

NOW Foods Vitamin B-2 (Riboflavin) Vcaps

Price & availability: £8.10 (buy NOW Foods Vitamin B-2 (Riboflavin) Vcaps at Welzo)

Form & dosage: Vcaps/ 100mg

Main ingredients: Riboflavin (vitamin B2)

User reviews: 5/ 5 (based on 102 rating at Welzo)

Why do we choose it? NOW Foods Vitamin B-2 Riboflavin, available as vegetarian capsules, is a convenient and healthy choice to support wellness and health. Each capsule has an optimum 100mg of riboflavin, a critical B vitamin involved in the maintenance of healthy cellular functions and energy production. It helps convert proteins, fats, and carbohydrates into energy and is perfect for people who want to optimize their energy levels. 

Besides these functions, it also supports healthy eyes, skin, and nerve functions. It is manufactured in a GMP-certified facility, is free of artificial ingredients, and is vegan-friendly. It is a reliable choice that fits people's wellness routines. So, experience the benefits of optimal vitamin B2 levels and add this supplement to your daily routine.

Frequently Asked Questions  

Is it okay to take a B2 supplement every day? 

Supplementation is not necessary for most people, as they get it from their diet. It is a water-soluble vitamin that cannot be stored in the body, and a person needs it daily. So, there is no harm in taking it daily in dosages up to 400-500 mg. 

What are the uses of vitamin B2 or riboflavin supplements? 

It is an antioxidant that protects the body from oxidative damage, helps in energy production, and supports development and growth. Overall, it is important for various physiological functions in the body.

Which form of the vitamin B2 supplement is the best? 

Riboflavin is a B2 supplement mostly used in many multivitamins. The most biologically active form is riboflavin 5'-phosphate, which is also commercially available. Most of it is converted into riboflavin in the intestines before absorption. 

Which foods are most abundant in riboflavin? 

Milk, lean meat, organ meats (liver and kidneys), and eggs are among the foods with particularly rich riboflavin content. Many other foods also have trace amounts of riboflavin. 

What are the signs of vitamin B2 deficiency? 

The major symptoms of B2 deficiency include photosensitivity, soreness and swelling of the throat, eye fatigue, magenta-coloured and swollen tongue, soreness and cracks around the corners of the mouth, digestive problems, poor growth and fatigue. 

What are the side effects of B2 (riboflavin) supplements? 

Excessive supplementation changes the colour of urine to bright yellow. This is not a side effect and will disappear soon. Besides this, there are no side effects to this supplementation, and it is safe for most people. 

Bottom-line  

The choice of an excellent B2 supplement makes a difference and helps improve overall health through better metabolism and energy levels. The best riboflavin supplements mentioned in this article are high-quality choices tailored to individual needs, e.g., supporting health goals, improving diet, or addressing dietary deficiencies.