Select two or three products to compare.
US iHerb
NOW Foods
Other supplements · Tablet
100 count
60 mgIngredient amount per label serving · Vitamin C (as Ascorbic Acid)
US iHerb
NOW Foods
Amino acids · Capsule
100 count
3 g (3,000 mg)Ingredient amount per label serving · Glycine (Free-Form)
US iHerb
NOW Foods
Zinc · Softgel
120 count
30 mgIngredient amount per label serving · Zinc (elemental) (from 150 mg Zinc Bisglycinate) (Albion™)
US iHerb
NOW Foods
Lecithin · Softgel
100 count
2.4 g (2,400 mg)Ingredient amount per label serving · Sunflower Lecithin
US iHerb
California Gold Nutrition
Vitamin D · Capsule
240 count
25 mcg (1,000 IU)Ingredient amount per label serving · Vitamin D (as D3, Cholecalciferol)
US iHerb
California Gold Nutrition
Other supplements · Liquid
1 fl oz
667 mcg DFEIngredient amount per label serving · Folate (400 mcg as Folinic Acid from Calcium Folinate)
US iHerb
Jarrow Formulas
Folate · Capsule
60 count
680 mcg DFE‡Ingredient amount per label serving · Folate (400 mcg as (6S)-5-MTHF [(6S)-5-Methyltetrahydrofolate Glucosamine Salt)
US iHerb
Swanson Vitamins
Zinc · Capsule
60 count
22 mgIngredient amount per label serving · Zinc (from zinc picolinate)
US iHerb
California Gold Nutrition
Vitamin D · Liquid
0.34 fl oz
10 mcg (400 IU)Ingredient amount per label serving · Vitamin D3 (as D3, cholecalciferol)
US iHerb
California Gold Nutrition
Herbal supplements · Capsule
120 count
300 mgIngredient amount per label serving · Milk Thistle Extract (Silybum marianum) (Seed)
(Standardized to 80% Silymarin)
US iHerb
NOW Foods
Theanine · Capsule
120 count
200 mgIngredient amount per label serving · L-Theanine
US iHerb
Life Extension
Magnesium · Capsule
90 count
105 mgIngredient amount per label serving · Magnesium (from magnesium bisglycinate)
US iHerb
NOW Foods
Probiotics · Capsule
100 count
160 mgIngredient amount per label serving · Blend of 10 Strains of Probiotic Bacteria (25 Billion CFU):
Lactobacillus acidophilus (La-14), Bifidobacterium lactis (BI-04),
Lactobacillus plantarum (Lp-115), Lactobacillus casei (Lc-11),
Lactobacillus rhamnosus (Lr-32), Lactobacillus paracasei (Lpc-37),
Bifidobacterium breve (Bb-18), Streptococcus thermophilus (St-21),
Lactobacillus salivarius (Ls-33), Bifidobacterium Longum (BI-05
US iHerb
Source Naturals
Other supplements · Tablet
120 count
30 mgIngredient amount per label serving · Vitamin B-6 (as pyridoxine HCl)
US iHerb
Doctor's Best
Joint support · Capsule
360 count
170 mgIngredient amount per label serving · Chloride (from glucosamine hydrochloride potassium sulfate)
US iHerb
Terra Origin
Other supplements · Powder
8.57 oz
2.15 mgIngredient amount per label serving · Zinc (as PepZinGI® Zinc Carnosine)
US iHerb
California Gold Nutrition
CoQ10 · Capsule
150 count
100 mgIngredient amount per label serving · Coenzyme Q10 (Ubiquinone USP)
US iHerb
Life Extension
Magnesium · Capsule
100 count
100 mgIngredient amount per label serving · Magnesium (as magnesium citrate)
US iHerb
Thorne
Herbal supplements · Capsule
60 count
450 mgIngredient amount per label serving · Berberine HCl (from Indian Barberry extract) (root) (Berberis aristata)
US iHerb
California Gold Nutrition
Omega-3 · Softgel
60 count
330 mgIngredient amount per label serving · Total Omega-3 Fatty Acids
US iHerb
Futurebiotics
Vitamin D · Capsule
120 count
250 mcg (10,000 IU)Ingredient amount per label serving · Vitamin D3 (as Cholecalciferol)
US iHerb
NOW Foods
Iron · Capsule
120 count
18 mgIngredient amount per label serving · Iron (elemental) (from 90 mg Ferrous Bisglycinate)(Ferrochel™)
US iHerb
Nutricost
Ashwagandha · Capsule
60 count
600 mgIngredient amount per label serving · Organic KSM-66® Ashwagandha Extract (Withania somnifera)(root)(min. 5% total withanolides)(<0.1% Withaferin A)
US iHerb
NOW Foods
Vitamin B12 · Tablet
100 count
170 mcg DFE
(100 mcg folic acid)Ingredient amount per label serving · Folate