BioStacks
NOW

Magnesium & Calcium

3 Tablets · 33 servings · $0.61/serving

47 / 100Average

Score Breakdown

Formulation
91
Safety
52
Final score
47/100

Ingredients (4)

Magnesium

100%

Dose

800 mg

Target

100–400 mg

Form

Premium

Calcium

100%

Dose

400 mg

Target

200–600 mg

Form

Premium

Vitamin D3

100%

Dose

1000 IU

Target

1000–5000 IU

Form

Premium

Zinc

100%

Dose

15 mg

Target

15–30 mg

Form

Standard

Other Ingredients (9)

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

PolydextroseFiller

A synthetic soluble fiber/bulking agent made from glucose

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Calcium CarbonateBuffer

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

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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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.