Random independent comparison, cost per day of superfood supplements (conducted among leading natural health food stores in London): Brand | Product | Content | No. tabs/caps | Content weight g | No. / day (g) | No. days per pack | Cost per pack | Cost per day | Cost per gram | Clearspring | Kombu | dry seaweed | | 50 | | | 2.99 | | 0.06 | Clearspring | Arame | dry seaweed | | 50 | | | 3.29 | | 0.07 | Clearspring | Nori flakes | dry seaweed | | 20 | | | 1.99 | | 0.1 | Clearspring | Nori strips | dry seaweed | | 13.5 | | | 2.99 | | 0.22 | Clearspring | Salad mix | dry seaweed | | 50 | | | 3.29 | | 0.07 | Clearspring | Dulse | dry seaweed | | 50 | | | 3.99 | | 0.08 | Clearspring | Shitake | dry mushroom | | 50 | | | 3.99 | | 0.08 | Seagreens® | Culinary Ingredient | seaweed granules | | 200 | 1 | 200 | 9.99 | 0.05 | 0.05 | Seagreens® | Salad & Table Condiment | seaweed pieces | | 50 | 1 | 50 | 9.75 | 0.2 | 0.2 | Micro Organics | Spirulina | tablets | 220 | | 12 | 18 | 15.95 | 0.87 | | Micro Organics | Spirulina | powder | | 220 | 6 | 37 | 22.95 | 0.63 | 0.1 | Micro Organics | Spirulina | powder | | 90 | 6 | 15 | 14.95 | 1 | 0.17 | All Seasons | Organic Spirulina | powder | | 100 | 2.25 | 44 | 13.95 | 0.31 | 0.14 | (""blue-green algae grown in water (tanks) in a Pacific Asian Island"" claims to be Certified Organic but no UK cert. on pack) | Klamath | Blue Green Algae | capsules | 160 | 80 | 3 | 53 | 36.5 | 0.68 | 0.46 | Seagreens® | Food Capsules | capsules | 60 | 30 | 2 | 30 | 15.95 | 0.53 | 0.53 | Seagreens® | Food Granules | capsules | 180 | 90 | 2 | 90 | 44.95 | 0.5 | 0.5 | Seagreens® | Food Granules | granules | | 100 | 1 | 100 | 36.95 | 0.37 | 0.37 | Pines | Barley Grass | powder | | 100 | 5 | 20 | 17.5 | 0.88 | 0.18 | Pines | Barley or Wheat grass | tablets | 250 | | 7 | 36 | 18.5 | 0.52 | | Gillian McKeith | Living Food Energy | powder (sunflower) | | 165 | 4 | 41 | 19.95 | 0.48 | 0.12 | New Chapter | Berry Green | powder | | 180 | 6 | 30 | 40.99 | 1.37 | 0.23 | Viridian | Green Food | powder | | 100 | 4 | 25 | 15.15 | 0.61 | 0.15 | Kiki | Nature`s Living | powder | | 100 | 7.5 | 13 | 20.18 | 1.51 | 0.2 | Kiki | Nature`s Living | powder | | 285 | 7.5 | 38 | 57.5 | 1.51 | 0.2 | Pure Synergy | | powder | | 100 | 12 | 8 | 28.16 | 3.38 | 0.28 | Nature`s Plus | Kelp | tablets | 300 | 67.5 | 1 | 300 | 6.85 | 0.02 | 0.1 | "(150 µg iodine, di-calcium phosphate, microcrystalline cellulose, alfalfa, stearic acid, magnesium stearate, silica pharmaceutical glaze)" | Seagreens® | Everyday Iodine 350µg | capsules | 60 | 30 | 1 | 30 | 12.95 | 0.43 | 0.43 | "(350 µg iodine 100% Seagreens® wild asco `kelp` vege caps nothing added or extracted certified organic & free of contaminants)" | Blood Type | Multivitamins | capsules | 120 | | 4 | 30 | 23.5 | 0.78 | | Blood Type | Multiminerals | capsules | 90 | | 3 | 30 | 16 | 0.53 | | Solgar | Multivits & mins | tablets | 60 | | 2 | 30 | 15.99 | 0.53 | | Solgar | Multivits & mins | tablets | 90 | | 2 | 45 | 22.79 | 0.51 | | Solgar | Multivits & mins | tablets | 180 | | 2 | 90 | 41.85 | 0.47 | | Biocare | Multivits & mins | tablets | 60 | | 1 | 60 | 13.65 | 0.23 | | Biocare | Multivits & mins | tablets | 90 | | 1 | 90 | 19.2 | 0.21 | | Solgar Earth Source | Multinutrients | tablets | 60 | | 1 | 60 | 19.79 | 0.33 | | |