It only has 4mg of astaxanthin isn't that a bit low dose when others are 7-12-18mg etc?

Thank you for your question. When comparing astaxanthin supplements, beware that there is a difference between ‘bulk oil’ and active astaxanthin. Bulk astaxanthin oil contains a maximum of 10% active astaxanthin, therefore we have used 42mg of bulk oil to guarantee 4mg of active astaxanthin per capsule. If it isn’t clear from the packaging, I would recommend contacting the company to ask them to clarify whether the 12mg is indeed bulk oil or active astaxanthin. We use an evidence-based approach to our formulations, and a standard part of the NPD process involves our in-house nutrition scientists and medics reviewing published studies to determine the most effective, safe dose. As such, more in one dose doesn’t necessarily equate with better effects. For example, in the case of astaxanthin, 4mg (the equivalent of consuming around six portions of wild pink salmon) has been well documented in humans to provide significant antioxidant and anti-inflammatory benefits for many health conditions. If, however, you wish to take a higher dose and sustain peak levels over 24 hours, it may be more clinically efficient to take three 4mg capsules split over the day (breakfast, lunch, and dinner) rather than 12mg in one single dose. However, choosing a quality astaxanthin product is essential to guarantee benefits. There are, in fact, several factors that can help differentiate a genuine astaxanthin product from one that is falling short of the label claim (which may actually result from lack of understanding on the part of sellers). Firstly, astaxanthin comes in two strengths: 5%, and 10%. Secondly, astaxanthin exists as a complex of which 95% is astaxanthin and 5% other carotenoids. Therefore to obtain a product with a 12mg label using a 5% oil you would need to add 254mg bulk oil and for a 10% oil, you would need to add 127mg bulk oil. If the nutritional panel is not clear, it is impossible to know if the bulk oil is 5% or 10% astaxanthin or if the input is by active (mg actual astaxanthin) or the bulk oil itself. If this were the case, 12mg of a 5% oil would deliver 0.57mg astaxanthin, and 12mg of a 10% oil would deliver 1.14mg astaxanthin, both considerably lower than a 12mg label claim. As such, simply stating 12mg astaxanthin on a label can be misleading for consumers. Manufacturers are not permitted to comment on competitors’ pages. Still, we are aware that some companies have been challenged by their Amazon customers to declare a more transparent overview of their nutritional panel. This is not to say that all astaxanthin products found on Amazon are failing to meet their label claim, and this is generally reflected in the price. It is a complex issue, as explained above, and we strive for absolute clarity for customer confidence. Unlike consumers, as manufacturers we are aware of the cost price of nutrients such as astaxanthin; in fact, the RRP for some brands claiming active rather than bulk ingredient, is lower than the wholesale COST price for genuine 12mg active capsules. As with most nutritional supplements, you get what you pay for in terms of clinically effective nutrients provided at a clinically effective dose. If a product seems too good to be true in terms of the dose offered for the price, then this should perhaps be considered a ‘red flag’. I hope this clarifies your concern. Kind regards, Nina Bailey BSc (Hons), MSc, PhD, ANutr Nutrition Scientist Igennus Healthcare Nutrition

Is this free from synthetic made pill and Binders?

Thank you for your question. The capsule shell used for Pure & Essential AstaPure Astaxanthin Complex is made from glycerol, modified corn starch, carrageenan and sodium carbonate. These ingredients are sourced from sustainably sourced palm oil, non-GMO cornstarch and red seaweed. Kind regards, Maxine Sheils BSc (Hons), DipCNM Nutritionist Igennus Healthcare Nutrition

I'm confused. i have astax. from london based comp. who also boast quality of their product but theirs is 12 mg p/ cap. are they lying re efficacy?

Thank you for your question. When comparing astaxanthin supplements, beware that there is a difference between ‘bulk oil’ and active astaxanthin. Bulk astaxanthin oil contains only 10% active astaxanthin, therefore we have used 42mg of bulk oil to guarantee 4mg of active astaxanthin per capsule. If it isn’t clear from the packaging, I would recommend contacting the company to ask them to clarify whether the 12mg is indeed bulk oil or active astaxanthin. We use an evidence-based approach to our formulations, and a standard part of the NPD process involves our in-house nutrition scientists and medics reviewing published studies to determine the most effective, safe dose. As such, more in one dose doesn’t necessarily equate with better effects. For example, in the case of astaxanthin, 4mg (the equivalent of consuming around six portions of wild pink salmon) has been well documented in humans to provide significant antioxidant and anti-inflammatory benefits for many health conditions. If, however, you wish to take a higher dose and sustain peak levels over 24 hours, it may be more clinically efficient to take three 4mg capsules split over the day (breakfast, lunch, and dinner) rather than 12mg in one single dose. However, choosing a quality astaxanthin product is essential to guarantee benefits. There are, in fact, several factors that can help differentiate a genuine astaxanthin product from one that is falling short of the label claim (which may actually result from lack of understanding on the part of sellers). Firstly, astaxanthin comes in two strengths: 5%, and 10%. Secondly, astaxanthin exists as a complex of which 95% is astaxanthin and 5% other carotenoids. Therefore to obtain a product with a 12mg label using a 5% oil you would need to add 254mg bulk oil and for a 10% oil, you would need to add 127mg bulk oil. If the nutritional panel is not clear, it is impossible to know if the bulk oil is 5% or 10% astaxanthin or if the input is by active (mg actual astaxanthin) or the bulk oil itself. If this were the case, 12mg of a 5% oil would deliver 0.57mg astaxanthin, and 12mg of a 10% oil would deliver 1.14mg astaxanthin, both considerably lower than a 12mg label claim. As such, simply stating 12mg astaxanthin on a label can be misleading for consumers. Manufacturers are not permitted to comment on competitors’ pages. Still, we are aware that some companies have been challenged by their Amazon customers to declare a more transparent overview of their nutritional panel. This is not to say that all astaxanthin products found on Amazon are failing to meet their label claim, and this is generally reflected in the price. It is a complex issue, as explained above, and we strive for absolute clarity for customer confidence. Unlike consumers, as manufacturers we are aware of the cost price of nutrients such as astaxanthin; in fact, the RRP for some brands claiming active rather than bulk ingredient, is lower than the wholesale COST price for genuine 12mg active capsules. As with most nutritional supplements, you get what you pay for in terms of clinically effective nutrients provided at a clinically effective dose. If a product seems too good to be true in terms of the dose offered for the price, then this should perhaps be considered a ‘red flag’. I hope this clarifies your concern. Kind regards, Maxine Sheils BSc (Hons), DipCNM Nutritionist Igennus Healthcare Nutrition

Hi just wondering if the lutein, zeaxanthin combination is naturally occurring in Astaxanthin or added syntheticially?

Thank you for your question. Our natural astaxanthin oil is derived from H. Pluvialis algae rather than a synthetic form. We decided to leave in, rather than extract, the trace amounts of other carotenoids, including lutein, zeaxanthin and beta carotene, that naturally occur in H. Pluvialis algae-derived astaxanthin, as these also bring their own antioxidant benefits. Kind regards, Maxine Sheils BSc (Hons), DipCNM Nutritionist Igennus Healthcare Nutrition

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Reviews

J**B

Good antioxidant supplement

Been taking this for a few weeks now, and its pretty good overall. The 4mg Astaxanthin seems to do the trick – skin’s looking a bit clearer, and Ive noticed a wee boost in energy, nothing dramatic but decent enough. The softgels are easy to take, and I like that its vegan and made from microalgae, so its a good option if youre into that. Quality seems spot on, no weird aftertaste or anything like that. That said, 4mg is a bit on the low side. If youre after bigger benefits, youd probably need to take two a day, which makes it a bit pricey. But for a general antioxidant boost, it’s alright. All in, a decent enough supplement for the price.

10.01.2025

D**R

Evens out skin tone

I wasn’t sure at first but read good stuff so slowly added one here and there. It’s made a difference to my skin tone- it’s evened out and with less breakouts. I know it’s for oxidative stress but I use randomly to help skin in winter. An easy product and good value too. If you had to take more regularly then it could get expensive. A good product nonetheless.

14.11.2025

R**G

Good

Good enough

5.05.2025

M**E

Relieves my aches and pains

Very effective

3.09.2025

L**U

Easy to take, great price

Been taking astaxanthin for years now for heart, skin and eye health, and follow a good diet. I like this brand for ease of taking (tiny capsules) and a really reasonable price point; a repeat purchase until I drop!!

2.09.2025

D**T

Great product

6.09.2025

A**E

Not a cure for ailments but essential background antioxidant protection

I am on to my second bottle of this product, having purchased it on the trust of the brand: I use a number of their other products, and was looking for an antioxidant that would provide background supplement protection alongside fruit and vegetables that contribute to health and well-being in this area. Contrary to some other reviews on this product, it is not a supplement to directly aid the improvement of any condition or ailment, but designed to contribute to overall well-being and long term improvement in energy levels as a by product of protecting the body from the damaging effects of free radicals.

11.08.2018

J**F

Powerful antioxidant

23.10.2025

ASIN	B07BGHKG77
Age Range Description	Adult
Benefits	Antioxidant
Best Sellers Rank	5,781 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 8 in Astaxanthin Antioxidant Supplements
Brand	Igennus Healthcare Nutrition
Brand Name	Igennus Healthcare Nutrition
Colour	Brown
Container Type	Bottle
Country Of Origin	United Kingdom
Customer Reviews	4.4 out of 5 stars 3,306 Reviews
Diet Type	Vegan
Dosage Form	Softgel
Flavour	Unflavoured
Item Dimensions	50 x 50 x 100 millimetres
Item Form	Softgel
Item Nype Name	HEALTH_PERSONAL_CARE
Item Weight	29 Grams
Item form	Softgel
Item height	10 centimetres
Item weight	29 Grams
Manufacturer	Igennus Healthcare Nutrition
Manufacturer Contact Information	Igennus Healthcare Nutrition, St John's Innovation Centre, Cowley Road, Cambridge, CB4 0WS, United Kingdom - Tel: +44 1223 421434
Material Features	Vegan
Model Name	Igennus Healthcare Nutrition Pure & Essential Astaxanthin Complex Capsules
Number of Items	1
Primary Supplement Type	astaxanthin
Primary supplement type	astaxanthin
Special Ingredients	Astaxanthin
Supplement Formulation	Individual Supplement
Total Servings Per Container	90
Unit Count	90 count
Unit count	90 count

Igennus Astaxanthin Complex, 42mg Microalgae Complex Oil Providing 4mg H. Pluvialis Astaxanthin, 90 Vegan Softgels

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