Centrum Adults vs Life Extension Two-Per-Day Capsules

All of the differences set out neatly so that you can make a choice between them.

Centrum Adults
Price: $25.05
Cost per day: $0.08
Active ingredients: 31
Order Centrum Adults from eVitamins
Life Extension Two-Per-Day Capsules
Price: $18.00
Cost per day: $0.30
Active ingredients: 27
Buy Two-Per-Day Capsules from iHerb

Complete nutritional comparison

Ingredient	Centrum Adults(Daily Dose)	Life Extension Two-Per-Day Capsules(Daily Dose)	Difference	Matched Ingredient
Vitamin A (29% as Beta-Carotene)	3500 IU	1500 µg	?	Vitamin A (as beta-carotene, acetate) (5,000 IU)
Vitamin C	60 mg	470 mg	683% ↑	Vitamin C (as ascorbic acid, calcium and niacinamide ascorbates)
Vitamin D	1000 IU	50 µg	≈	Vitamin D3 (as cholecalciferol) (2,000 IU)	Vitamin D3 is a form of vitamin D. Sources: • "Explains the relationship between different forms of Vitamin D and how they are processed in the body." Office of Dietary Supplements - National Institutes of Health - USA Dietary Supplement Fact Sheet: Vitamin D • "Vitamin D sources, methods of activiation in the body and uses" byJane Higdon, Ph.D and Victoria J. Drake, Ph.D, Linus Pauling Institute LPI - Micro Nutrient Info Center - Vitamin D • "On Vitamin D chemistry, sources, biological actions and clinical significance" byRichard S. Bak, Ph.D., Warde Medical Laboratory Vitamin D and Metabolites • "Human trial comparing potencies of Vitamins D2 and D3" byRobert P. Heaney Robert R. Recker James Grote Ronald L. Horst Laura A. G. Armas, The Journal of Clinical Endocrinology & Metabolism JCEM - Vitamin D3 Is More Potent Than Vitamin D2 in Humans
Vitamin E	30 IU	67 mg	?	Vitamin E (as D-alpha tocopheryl succinate, D-alpha tocopherol)
Vitamin K	25 µg		↓
Thiamin	1.5 mg	75 mg	4900% ↑	Thiamine (vitamin B1) (as thiamine HCI)
Riboflavin	1.7 mg	50 mg	2841% ↑	Riboflavin (vitamin B2) (as riboflavin, riboflavin 5’-phosphate)
Niacin	20 mg	50 mg	150% ↑	Niacin (as niacinamide, niacinamide ascorbate)
Vitamin B6	2 mg	75 mg	3650% ↑	Vitamin B6 (as pyridoxine HCI, pyridoxal 5’-phosphate)
Folic Acid	400 µg	400 µg	≈	Folate (as L-5-methyltetrahydrofolate calcium salt)	Both folic acid and folate are forms of vitamin B9. Sources: • "Small Molecule Pathway Database (SMPDB): Folate metabolism" Genome Alberta, Genome British Columbia & Genome Canada SMPDB: Folate Metabolism • "Folate fact sheet for health professionals" Office of Dietary Supplements - National Institutes of Health - USA Folate fact sheet for Health Professionals
Vitamin B12	6 µg	300 µg	4900% ↑	Vitamin B12 (as methylcobalamin)
Biotin	30 µg	300 µg	900% ↑	Biotin
Pantothenic Acid	10 mg	50 mg	400% ↑	Pantothenic acid (as D-calcium pantothenate)
Calcium	200 mg		↓
Iron	18 mg		↓
Phosphorus	20 mg		↓
Iodine	150 µg	150 µg	=	Iodine (as potassium iodide)
Magnesium	50 mg	100 mg	100% ↑	Magnesium (as magnesium oxide)
Zinc	11 mg	25 mg	127% ↑	Zinc (as zinc citrate, L-OptiZinc® zinc mono-L-methionine sulfate)
Selenium	55 µg	200 µg	264% ↑	Selenium [as sodium selenite, SelenoExcell® high selenium yeast, Se-Methyl L-selenocysteine]
Copper	0.5 mg		↓
Manganese	2.3 mg	2 mg	-13% ↓	Manganese (as manganese citrate, gluconate)
Chromium	35 µg	200 µg	471% ↑	Chromium [as Crominex® 3+ chromium stabilized with Capros® amla extract (fruit) and PrimaVie® Shilajit]
Molybdenum	45 µg	100 µg	122% ↑	Molybdenum (as molybdenum amino acid chelate)
Chloride	72 mg		↓
Potassium	80 mg		↓
Boron	75 µg	3 mg	3900% ↑	Boron (as boron amino acid chelate)
Nickel	5 µg		↓
Silicon	2 mg		↓
Tin	10 µg		↓
Vanadium	10 µg		↓
		50 mg	↑	Inositol
		25 mg	↑	Alpha lipoic acid
		20 mg	↑	Natural mixed tocopherols (providing gamma, delta, alpha, beta)
		15 mg	↑	Bio-Quercetin phytosome (providing 5mg quercetin [from Japanese sophora concentrate (flower bud)], phosphatidylcholine complex [from sunflower])
		5 mg	↑	quercetin
		11.12 mg	↑	Marigold extract (flower) [std. to
		5 mg	↑	trans-lutein
		155 µg	↑	trans-zeaxanthin ]
		5 mg	↑	Apigenin
		1 mg	↑	Lycopene [from LycoBeads® natural tomato extract (fruit)]

Nutrients only in Centrum Adults

	Dose: Adult
Vitamin K	25 µg
Calcium	200 mg
Iron	18 mg
Phosphorus	20 mg
Copper	0.5 mg
Chloride	72 mg
Potassium	80 mg
Nickel	5 µg
Silicon	2 mg
Tin	10 µg
Vanadium	10 µg

Nutrients only in Life Extension Two-Per-Day Capsules

	Dose: Adult
Inositol	50 mg
Alpha lipoic acid	25 mg
Natural mixed tocopherols (providing gamma, delta, alpha, beta)	20 mg
Bio-Quercetin phytosome (providing 5mg quercetin [from Japanese sophora concentrate (flower bud)], phosphatidylcholine complex [from sunflower])	15 mg
quercetin	5 mg
Marigold extract (flower) [std. to	11.12 mg
trans-lutein	5 mg
trans-zeaxanthin ]	155 µg
Apigenin	5 mg
Lycopene [from LycoBeads® natural tomato extract (fruit)]	1 mg

Other ingredients

Centrum Adults	Life Extension Two-Per-Day Capsules
Calcium Carbonate, Potassium Chloride, Dibasic Calcium Phosphate, Magnesium Oxide, Microcrystalline Cellulose, Ascorbic Acid (Vit. C), Ferrous Fumarate, dl-Alpha Tocopheryl Acetate (Vit. E), Maltodextrin. Contains < 2% of: Beta-Carotene, BHT (to preserve freshness), Biotin, Calcium Pantothenate, Cholecalciferol (Vit. D3), Chromium Picolinate, Corn Starch, Crospovidone, Copper Sulfate, Cyanocobalamin (Vit. B12), Folic Acid, Gelatin, Hydrogenated Palm Oil, Magnesium Stearate, Manganese Sulfate, Modified Corn Starch, Niacinamide, Nickelous Sulfate, Phytonadione (Vit. K), Polyethylene Glycol, Polyvinyl Alcohol, Potassium Iodide, Pregelatinized Corn Starch, Pyridoxine Hydrochloride (Vit. B6), Riboflavin (Vit. B2), Silicon Dioxide, Sodium Ascorbate (to preserve freshness), Sodium Metavanadate, Sodium Molybdate, Sodium Selenate, Stannous Chloride, Talc, Thiamine Mononitrate (Vit. B1), Titanium Dioxide, Tocopherols (to preserve freshness), Vitamin A Acetate, Yellow 6 Lake, Zinc Oxide.	stearic acid, croscarmellose sodium, vegetable stearate, silica, aqueous film coating (purified water, hydroxypropyl methylcellulose, glycerin), dicalcium phosphate, microcrystalline cellulose, maltodextrin.

Centrum Adults

Life Extension Two-Per-Day Capsules

Calcium Carbonate, Potassium Chloride, Dibasic Calcium Phosphate, Magnesium Oxide, Microcrystalline Cellulose, Ascorbic Acid (Vit. C), Ferrous Fumarate, dl-Alpha Tocopheryl Acetate (Vit. E), Maltodextrin. Contains < 2% of: Beta-Carotene, BHT (to preserve freshness), Biotin, Calcium Pantothenate, Cholecalciferol (Vit. D3), Chromium Picolinate, Corn Starch, Crospovidone, Copper Sulfate, Cyanocobalamin (Vit. B12), Folic Acid, Gelatin, Hydrogenated Palm Oil, Magnesium Stearate, Manganese Sulfate, Modified Corn Starch, Niacinamide, Nickelous Sulfate, Phytonadione (Vit. K), Polyethylene Glycol, Polyvinyl Alcohol, Potassium Iodide, Pregelatinized Corn Starch, Pyridoxine Hydrochloride (Vit. B6), Riboflavin (Vit. B2), Silicon Dioxide, Sodium Ascorbate (to preserve freshness), Sodium Metavanadate, Sodium Molybdate, Sodium Selenate, Stannous Chloride, Talc, Thiamine Mononitrate (Vit. B1), Titanium Dioxide, Tocopherols (to preserve freshness), Vitamin A Acetate, Yellow 6 Lake, Zinc Oxide.

stearic acid, croscarmellose sodium, vegetable stearate, silica, aqueous film coating (purified water, hydroxypropyl methylcellulose, glycerin), dicalcium phosphate, microcrystalline cellulose, maltodextrin.