Supplement Ratings

iHerb picks

Best Calcium on iHerb

Skip hours of label reading. Every pick below is sold on iHerb and passed our label check with 60+ points, so whatever you choose is worth taking, and you see today's price before you click.

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Top ratedBest value

117 picks in calcium, highest score first

73Calcium D-Glucarate 500 mg70/100NOWCalcium D-Glucarate 500 mgcapsule · 30 servings · $0.90/servingBuy on iHerb · $26.93
74Dicalcium Malate70/100Thorne ResearchDicalcium Malatecapsule · 30 servings · $0.93/servingBuy on iHerb · $28.00
75C-500 Calcium Ascorbate-C69/100NOWC-500 Calcium Ascorbate-Ccapsule · 30 servings · $0.24/servingBuy on iHerb · $7.34
76Chewable Calcium 600 mg | D3 400 IU (10 mcg) Coffee Mocha Flavor69/100Mason NaturalChewable Calcium 600 mg | D3 400 IU (10 mcg) Coffee Mocha Flavortablet · 100 servings · $0.07/servingBuy on iHerb · $6.81
77600 Calcium Supplement68/10021st Century600 Calcium Supplementtablet · 30 servings · $0.40/servingBuy on iHerb · $11.99
78Calcium 500+D368/10021st CenturyCalcium 500+D3tablet · 30 servings · $0.20/servingBuy on iHerb · $6.04
79Calcium D-Glucarate68/100Integrative TherapeuticsCalcium D-Glucaratecapsule · 30 servings · $1.47/servingBuy on iHerb · $44.00
80Pure, Buffered Calcium Ascorbate68/100NOWPure, Buffered Calcium Ascorbatepowder · 203 servings · $0.06/servingBuy on iHerb · $11.63
81Calcium 1000 +D67/10021st CenturyCalcium 1000 +Dtablet · 30 servings · $0.22/servingBuy on iHerb · $6.49
82Coral Calcium 1000 mg67/10021st CenturyCoral Calcium 1000 mgcapsule · 30 servings · $0.53/servingBuy on iHerb · $15.99
83Calcium Citrate Complex67/100Swanson Premium BrandCalcium Citrate Complexcapsule · 150 servings · $0.16/servingBuy on iHerb · $24.19
84Calcium Citrate 200 mg67/100Swanson Premium BrandCalcium Citrate 200 mgcapsule · 30 servings · $0.36/servingBuy on iHerb · $10.69
85DiCalcium Malate67/100ThorneDiCalcium Malatecapsule · 30 servings · $0.93/servingBuy on iHerb · $28.00
86Calcium (MCHA)67/100Pure EncapsulationsCalcium (MCHA)capsule · 180 servings · $0.37/servingBuy on iHerb · $66.50
87Calcium Citrate67/100NutriCologyCalcium Citratecapsule · 180 servings · $0.15/servingBuy on iHerb · $26.99
88Calcium D-Glucarate67/100Swanson UltraCalcium D-Glucaratecapsule · 30 servings · $0.56/servingBuy on iHerb · $16.69
89Boneology Superior Calcium Form 167 mg67/100Swanson Premium BrandBoneology Superior Calcium Form 167 mgcapsule · 30 servings · $0.62/servingBuy on iHerb · $18.59
90Calcium Lactate67/100NOWCalcium Lactatetablet · 83 servings · $0.16/servingBuy on iHerb · $13.46
91Calcium67/100ThorneCalciumcapsule · 120 servings · $0.23/servingBuy on iHerb · $28.00
92Calcium D-Glucarate67/100SwansonCalcium D-Glucaratecapsule · 60 servings · $0.28/servingBuy on iHerb · $16.69
93Calcium Ascorbate66/100NOWCalcium Ascorbatepowder · 202 servings · $0.06/servingBuy on iHerb · $11.63
94TriCalcium Complex with D & K66/100Swanson Premium BrandTriCalcium Complex with D & Kcapsule · 30 servings · $0.23/servingBuy on iHerb · $6.81
95Calcium Hydroxyapatite Caps66/100NOWCalcium Hydroxyapatite Capscapsule · 60 servings · $0.20/servingBuy on iHerb · $12.24
96Calcium Ascorbate66/100NutriBiotic ImmunityCalcium Ascorbatepowder · 227 servings · $0.11/servingBuy on iHerb · $24.74

Scores rate what's on the label (dosage transparency, cleanliness, ingredient profile), not clinical results. Prices come from the iHerb catalog feed and can change at checkout. See the full Best Calcium 2026 ranking.