Top Astaxanthin Supplements of 2025

Astaxanthin is a highly potent antioxidant sourced from microalgae. It has gained a lot of popularity in the last decade due to its immense health benefits. It is a vibrant red pigment that causes colouration in flamingos, shrimp, and salmon and can also reduce inflammation and oxidative stress in humans. 

It promotes a healthy brain and heart, improves athletic performance, boosts immunity, and has many other functions in the human body. So, the demand for this king of carotenoids is on the rise, and the variety of astaxanthin supplements in the market is ever-increasing, making it highly challenging to choose a supplement on the basis of features, e.g., superior bioavailability, unique formulations and additional health benefits.  

This article will explore the top astaxanthin supplements of 2025, dive deep into their benefits and features and explain the cause of why they stand out in this extremely competitive market. So, if you need a supplement to support joint health, improve skin elasticity, or boost overall wellness, these Welzo supplements are worth considering. Let's have an overview of our selection.

Top Astaxanthin Supplements of 2025 at a Glance 

• Now Foods Astaxanthin Softgels: This supplement by Now Foods contains 10 mg of astaxanthin and supports vitality and health. It is available in Softgels at Welzo for just £33.98 for 60 softgels. 
• Dr. Mercola Astaxanthin Capsules: This astaxanthin supplement contains 4 mg of astaxanthin and supports skin, eye and brain health. £29.89 for 30 capsules at Welzo.
• Dr's Best Astaxanthin with AstaReal Veggie Softgels: These Softgels by Doctor's Best have a medium dose of astaxanthin to support eyes, skin and overall health. £40.01 for 90 veggie softgels at Welzo.
• Higher Nature Astaxanthin & Blackcurrant Capsules: These capsules combine blackcurrant and astaxanthin for healthy eyes, immunity and skin and are available at Welzo for just £29.83 for 90 capsules.
• Swanson Astaxanthin Softgels: Swanson's astaxanthin supplement has a medium dose of 4 mg astaxanthin per softgel and is effective in supporting immunity, skin health, eyes and joints. £13.56 for 60 softgels at Welzo.
• Nutrex BioAstin Supreme Astaxanthin Vegan Softgels: These vegan Softgels contain a potent dose of astaxanthin (6mg) for Healthy hearts, joints and skin. £35.91 for 60 vegan softgels at Welzo.
• Health Thru Nutrition Astaxanthin Softgels: These Softgels have a super high dose of astaxanthin at 12mg and are very effective for joint, eyes and skin health. £19.14 for 30 softgels at Welzo.
• Healthy Origins Astaxanthin Softgels: This astaxanthin supplement by Healthy Origins is crafted to improve athletic performance, eye health, and skin health and promises potent antioxidant support. £43.90 for 150 softgels at Welzo.
• Welzo Astaxanthin & AstaPure® Oil Softgel Capsules: This Welzo supplement contains a potent dosage of astaxanthin, which is hundreds of times more potent than vitamin C and CoQ10 and supports a healthy brain. £21.20 for 120 Softgel capsules at Welzo.
• Nutrex BioAstin Hawaiian Astaxanthin Vegan Soft Gels: This supplement is expensive and contains a very high dosage of astaxanthin (12mg), promising powerful antioxidant support. £64.76 for 75 Softgels at Welzo. 

Now Foods Astaxanthin Softgels

Price & availability: £33.98 (buy Now Foods Astaxanthin Softgels at Welzo)

Form & dosage: Softgels/ 10mg

Usage guidelines: 1 softgel daily with a meal

Miscellaneous ingredients: Organic extra virgin olive oil, soft gel capsule and vitamin E.

User rating: 5/ 5 (based on 82 reviews at Welzo) 

Why do we choose it? Now Foods' Astaxanthin, available as Softgels, is a potent astaxanthin supplement derived from marine sources. It contains vitamin E and extra virgin olive oil for additional benefits and better absorption. Overall, it is very effective in boosting overall wellness by supporting skin health and combating oxidative stress. 

The quality of these Softgels is very good, and they are easy to take. It adds easily to the health routine and offers exceptional value for money for those who need a reliable supplement as an antioxidant support. 

Mercola Astaxanthin Capsules

Price & availability: £29.89 (buy Dr. Mercola Astaxanthin Capsules at Welzo)

Form & dosage: Capsules/ 4mg

Usage guidelines: 1 capsule daily with a meal

Miscellaneous ingredients: Organic rosemary leaf extract, mixed tocopherols, fish gelatin capsules & organic olive oil. 

User rating: 5/ 5 (based on 76 reviews at Welzo)

Why do we choose it? Dr Mercola's Astaxanthin Supplement is a high-quality health supplement that delivers a highly potent dose of 4 mg astaxanthin, which can cross the blood-retinal and blood-brain barrier. This unique capability makes it very effective for eye and brain health. It supports cellular energy production while reducing inflammation and combatting oxide-free radicals. 

Its antioxidant potential is thousands of times more powerful than that of other antioxidants, which makes it highly effective for a healthy cardiovascular system, immunity and skin health. It addresses numerous inflammatory pathways and is a fantastic product with many health benefits.

Dr's Best Astaxanthin with AstaReal Veggie Softgels

Price & availability: £40.01 (buy Dr's Best Astaxanthin with AstaReal Veggie Softgels at Welzo)

Form & dosage: Veggie softgels/ 6mg 

Usage guidelines: 1 softgel daily with a meal or as advised

Miscellaneous ingredients: Vegetarian softgel, extra virgin olive oil & purified water.

User rating: 5/ 5 (based on 126 reviews at Welzo) 

Why do we choose it? Doctor's Best Astaxanthin with AstaReal® is a high-quality antioxidant supplement available at a medium price tag of £40.01 for 90 softgels. Each soft gel contains 6 mg of astaxanthin derived from Haematococcus pluvialis microalgae extract. This supplement supports skin elasticity, hydration and eye health and reduces oxidative stress by fighting free radicals. 

Due to its excellent absorption, it is a good supplement for overall health and wellness. Besides, these vegetarian Softgels have extra virgin olive oil for extra protection and better nutrient delivery. Overall, it is a fantastic addition to the health routine due to its proven benefits for eye and skin health. So, choose it now for better antioxidant support and health. 

Higher Nature Astaxanthin & Blackcurrant Capsules

Price & availability: £29.83 (buy Higher Nature Astaxanthin & Blackcurrant Capsules at Welzo)

Form & dosage: Capsules 

Usage guidelines: As advised

Miscellaneous ingredients: N/ A

User rating: 5/ 5 (based on 86 reviews at Welzo) 

Why do we choose it?: Higher Nature Astaxanthin & Blackcurrant is a premium quality health supplement that combines the immune-boosting properties of blackcurrant extract with the superb antioxidant potential of astaxanthin. So, astaxanthin improves endurance, eye health, hydration and elasticity, while blackcurrant improves antioxidant support for better immune and cardiovascular health. 

This combination is highly effective for improving resilience and vitality against oxidative stress. These capsules are very easy to swallow, and their exceptional quality makes them a great choice for those who want a holistic approach to wellness, beauty and performance. Overall, this supplement is a good addition to many people's health routines. 

Swanson Astaxanthin Softgels

Price & availability: £13.56 (buy Swanson Astaxanthin Softgels at Welzo)

Form & dosage: Softgel/ 4mg 

Usage guidelines: As advised

Miscellaneous ingredients: D-alpha tocopherol, rosemary oil, glycerin, purified water, gelatin & sunflower oil. 

User rating: 5/ 5 (based on 68 reviews at Welzo)

Why do we choose it? Swanson Astaxanthin Softgels are exceptionally valuable due to their high quality, potent dosage, and antioxidant support. These Softgels are sourced from the microalgae Haematococcus pluvialis and have a highly potent dose of 4 mg astaxanthin for better overall well-being and cellular health. They are particularly good for those who want better protection against free radicals, reduce strain and protect their eyes. 

Its anti-inflammatory properties improve joint health and mobility and promote a youthful appearance by improving skin elasticity. Moreover, it is safe and reliable for regular use and is totally free of allergens and artificial additives. The brand's commitment to high purity and potency makes it even more impressive. 

Nutrex BioAstin Supreme Astaxanthin Vegan Softgels

Price & availability: £35.91 (buy Nutrex BioAstin Supreme Astaxanthin Vegan Softgels at Welzo)

Form & dosage: Vegan softgels/ 6mg 

Usage guidelines: As advised

Miscellaneous ingredients: Extra virgin olive oil & vitamin E

User rating: 5/ 5 (based on 114 reviews at Welzo) 

Why do we choose it? Nutrex BioAstin Supreme Astaxanthin vegan Softgels is a premium-quality antioxidant supplement for health support. It is derived from natural microalgae and has a very potent dosage of 6 mg astaxanthin for protection against free radicals, improving cellular health and combating free radicals. Moreover, it is also very effective for cardiovascular functions and muscular health and makes the joints and skin more youthful. 

It is a great choice for those who prefer a plant-based lifestyle due to its freeness of artificial additives, gluten and GMOs, which makes it vegan-friendly. It has excellent absorption and is a supplement of choice for athletes and general users who want better skin health and want to enhance recovery and endurance. Overall, it is a highly reliable supplement for those who want better health and vitality. 

Health Thru Nutrition Astaxanthin Softgels

Price & availability: £19.14 (buy Health Thru Nutrition Astaxanthin Softgels at Welzo)

Form & dosage: Softgels/ 12mg

Usage guidelines: As advised

Miscellaneous ingredients: N/ A 

User rating: 5/ 5 (based on 100 reviews at Welzo)

Why do we choose it? Health Thru Nutrition Astaxanthin Softgels have a very potent dose of astaxanthin at 12 mg and are a great choice for overall wellness. These Softgels are derived from microalgae and help prevent oxidative stress and promote cellular health. They promote a more youthful appearance by increasing elasticity and hydration and enhancing skin elasticity while protecting eyes from screen-associated strain. 

It has anti-inflammatory properties for better joint nobility and health and is thus a great choice for an active lifestyle. Moreover, these soft gels are very pure, optimized for excellent absorption, and totally free of artificial additives. Overall, it is a versatile choice for those who need a vibrant and healthy lifestyle for health and vitality. 

Healthy Origins Astaxanthin Softgels

Price & availability: £43.90 (buy Healthy Origins Astaxanthin Softgels at Welzo)

Form & dosage: Softgel/ 4mg 

Usage guidelines: As advised

Miscellaneous ingredients: Purified water, gelatin, sunflower oil & kosher

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

Why do we choose it? Healthy Origins Astaxanthin Softgels is a premium-quality health supplement for better overall well-being. It is sourced from Haematococcus pluvialis microalgae and offers antioxidant support to combat oxidative stress and improve cellular health. Each softgel has a medium dose of 4 mg astaxanthin for excellent immune functions, eye health and antioxidant support. 

Astaxanthin has anti-inflammatory properties to aid recovery and reduce muscular fatigue. It is totally free of artificial additives, gluten and GMOs. Its pore formula offers a wide range of health benefits and supports the body's natural defences for healthy and youthful vision. Overall, it is a great supplement for antioxidant protection. 

Welzo Astaxanthin & AstaPure® Oil Softgel Capsules

Price & availability: £21.20 (buy Welzo Astaxanthin & AstaPure® Oil Softgel Capsules at Welzo)

Form & dosage: Softgel capsules/ 42mg 

Usage guidelines: 1-2 soft gel capsules daily

Miscellaneous ingredients: Extra virgin olive oil, natural astaxanthin, capsule shell & vitamin E as d-α-tocopherol.

User rating: 5/ 5 (based on 114 reviews at Welzo)

Why do we choose it?: Welzo Astaxanthin 42mg AstaPure® Softgel Capsules is a premium quality antioxidant supplement that boosts overall wellness and supports brain health. Each Softgel of this supplement has 4 mg astaxanthin sourced from Haematococcus Pluvialis and is suspended in cold-pressed extra virgin oil for excellent absorption. This powerful blend makes it unmatched for antioxidant potential and hundreds of times more potent than CoQ10 and vitamin E. 

It ensures excellent bioavailability and efficacy, and its freeness of dairy, GMO, soy, maize, yeast, gluten, wheat and lactose makes it vegetarian (not vegan) friendly. It is vegetarian-friendly and pure, manufactured to study quality standards, and has better absorption and excellent antioxidant support for brain health and overall wellness. The users are advised to be cautious and read the labels on the product packaging. 

Nutrex BioAstin Hawaiian Astaxanthin Vegan Soft Gels

Price & availability: £64.76 (buy Nutrex BioAstin Hawaiian Astaxanthin Vegan Soft Gels at Welzo)

Form & dosage: Softgels/ 12mg 

Usage guidelines: Take 1-2 soft gels daily or as advised 

Miscellaneous ingredients: Sodium, high oleic safflower oil, vitamin E, extra virgin olive oil, non-GMO modified cornstarch, glycerine, sorbitol, purified water, seaweed, natural tocopherols & lutein. 

User rating: 5/ 5 (based on 132 reviews at Welzo) 

Why do we choose it?: Nutrex's BioAstin Hawaiian Astaxanthin is a natural health supplement that has a natural 12 mg of astaxanthin per capsule. It is sourced from microalgae and is very popular for cellular health and healthy eyes and skin. It promotes cardiovascular health, supports immunity and reduces oxidative stress. It has high-quality ingredients, e.g., olive oil and extra virgin olive oil, and it has good efficacy and absorption. 

Overall, it is a supplement of choice for those who want a plant-based and natural solution for better well-being and health. So, use Nutrex BioAstin Hawaiian Astaxanthin now to achieve its health benefits. 

Frequently Asked Questions  

What happens after taking astaxanthin every day? 

Astaxanthin is safe for daily use if taken as recommended. The recommended dosage is 4-12 mg per day, and it can be used for an extended period without serious side effects. 

Who should avoid taking astaxanthin? 

People with many health conditions, e.g., asthma, allergies, low calcium levels, hypertension, autoimmune disorders, and bleeding disorders, must be conscious while dealing with astaxanthin. They must use it only if advised by the doctor. 

Which is a better choice? Astaxanthine or vitamin C? 

Vitamin C has antioxidant, skin-soothing and brightening benefits but is much less potent than astaxanthin. A 2021 review by Professor Vyshnavy Balendra and Sundeep Kumar Singh noted that astaxanthin is almost 6,000 times more potent than vitamin C and helps achieve these targets easily. 

What are the astaxanthin-rich foods?  

Many foods are rich in astaxanthin. These include red grouper, red rockfish, red drum, red sea bream, Eel, and red salmon roe. There are many more; consult your dietician for more choices. 

Which is the king of all antioxidants? 

Astaxanthin is well regarded as the king of all antioxidants, and there is much evidence to support this claim. Some other dieticians hail glutathione as the king of antioxidants. So, it is a matter of personal choices and preferences.

What are the strongest antioxidants for improving health? 

The strongest supplements for improving overall health are CoQ10, selenium, vitamin E, glutathione, strawberries, blueberries, pecans, dark chocolate and many more. Choose any of these supplements according to your needs and preferences.   

Bottom-line 

Astaxanthin is a go-to choice for those who need a natural and effective option to improve their vitality and health. It has unmatched antioxidant potential and a variety of health benefits, including immune support, joint health and skin health. Overall, it is a powerhouse nutrient. The top choices mentioned in this article have quality formations and cater to people with diverse health needs.