Fatty acids
Compared by price per standard dose across UK retailers. Pick one to see every form side by side.
Astaxanthin
Cheapest per 4 mg
The cheapest astaxanthin 1 Cheapest per doseBest value under 6 months' supplyNatural Astaxanthin SoftgelsDetails and price history4p £1.19 1.3 years £18.99View at WeightWorld (opens in a new tab)Free delivery over £35.00, otherwise £1.99 · 2–3 working daysAmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared. Learn about astaxanthin47 products · 10 retailersBlack seed oil
Cheapest per 1 g
The cheapest black seed oil 1 Cheapest per doseBest value under 6 months' supplyCold-Pressed Black Cumin Seed Oil SoftgelsDetails and price historygelatine capsule, the listing says8p £2.42 6 months £14.49View at WeightWorld (opens in a new tab)Free delivery over £35.00, otherwise £1.99 · 2–3 working daysAmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared. 3 products · 2 retailersEvening primrose (GLA)
Cheapest per 100 mg GLA (gamma-linolenic acid)
The cheapest evening primrose oil (GLA) 1 Cheapest per doseBest value under 6 months' supplyEvening Primrose Softgels2 softgels a day for 100 mg
· 90 softgels · 90 servings · 90 mg a servingDetails and price historygelatine capsule, the listing says8p £2.40 3 months £6.49View at Myprotein (opens in a new tab)Free delivery over £55.00, otherwise £4.49 · 2–3 working daysAmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared. Learn about evening primrose (GLA)16 products · 8 retailersFlaxseed oil (ALA)
Cheapest per 1 g ALA (alpha-linolenic acid)
The cheapest flaxseed oil (ALA) 1 Cheapest per doseBest value under 6 months' supplyFlax Seed Oil 1000mg2 softgels a day for 1 gDetails and price historyalso contains vitamin e10p £3.00 6 months £17.99View at ZipVit (opens in a new tab)Free UK delivery · 2–4 working daysAmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared. Learn about flaxseed oil (ALA)11 products · 7 retailersMCT oil
Pure C8 (caprylic): cheapest per 10 g MCT (C8 + C10)
The cheapest MCT oil Pure C8 (caprylic) 1 Cheapest per doseBest value under 6 months' supplyBrain Octane C8 MCT Oil - Bottle - 32 fl. oz
· 63 servings · 14 g a servingDetails and price history53p £15.98 3 months £46.99View at Healf (opens in a new tab)Free UK delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared. Learn about MCT oil10 products · 4 retailersOmega-3
Fish oil: cheapest per 1 g EPA + DHA
The cheapest omega-3 Fish oil 1 Cheapest per doseBest value under 6 months' supplyHigh Strength Omega 3 | 2340mgEPA 600 mg + DHA 150 mg a capsule · EPA:DHA 80:20 · Oil form not stated · 2 capsules a day for 1 g · 250 capsules · 83.3 servings · 2.25 g a servingDetails and price historygelatine capsule, the listing says11p £3.36 6 months £20.99View at Myprotein (opens in a new tab)Free delivery over £55.00, otherwise £4.49 · 2–3 working daysAmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared. - Krill oil£1.25
- Algae oil (vegan)49p
- Cod liver oil11p
Learn about omega-3239 products · 19 retailersPhosphatidylserine
Cheapest per 100 mg
The cheapest phosphatidylserine 1 Cheapest per doseBest value under 6 months' supplyPhosphatidylserine · 120 capsules · 60 servings · 300 mg a servingDetails and price historyclaimed: gluten-freegelatine capsule, the listing says12p £3.50 6 months £20.99View at Healf (opens in a new tab)Free UK delivery over £50.00, otherwise £3.99AmazonFind it on Amazon (opens in a new tab)A search, not a matched product. Price not compared. Learn about phosphatidylserine18 products · 6 retailers
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