BioStacks
Life Extension

Dr. Strum's Intensive Bone Formula

10 Capsules · 30 servings · $1.40/serving

51 / 100Average

Score Breakdown

Formulation
82
Safety
58
Final score
51/100

Ingredients (9)

Vitamin D3

100%

Dose

8000 IU

Target

1000–5000 IU

Form

Premium

Vitamin K2

100%

Dose

200 mcg

Target

90–200 mcg

Form

Premium

Calcium

100%

Dose

800 mg

Target

200–600 mg

Form

Premium

Boron

100%

Dose

6 mg

Target

3–6 mg

Form

Premium

Magnesium

100%

Dose

400 mg

Target

100–400 mg

Form

Standard

Other Ingredients (6)

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.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Microcrystalline CelluloseBinder

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

StarchBinder

Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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.