BioStacks
Kirkland Signature

Calcium 600 mg with Vitamin D3

1 Tablet × 2/day · 500 servings

iHerbAmazon

Best for

DentalBone & JointImmune

Ingredients (2)

Vitamin D3

80%

Dose/day

800 IU

Target

1000–5000 IU

Form

Premium

Calcium

100%

Dose/day

1200 mg

Target

200–600 mg

Form

Not listed

Other Ingredients (8)

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

Medium Chain Triglyceride OilCarrier

Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent

Mineral OilEmollient

A highly refined petroleum-derived oil used as an occlusive emollient and lubricant

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

CholecalciferolVitamin

Vitamin D3 added in trace amounts for fortification in protein powders and other supplements

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

HypromelloseCapsule

Plant-derived capsule material from cellulose

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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