Thorne Catalyte
vs
Douglas Laboratories Calcium Microcrystalline Hydroxyapatite
Supplement Comparison

  • Calcium: Douglas Laboratories Calcium Microcrystalline Hydroxyapatite has 6.3× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 30 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Catalyte vs Douglas Laboratories Calcium Microcrystalline Hydroxyapatite.

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Frequently asked questions

Which active ingredients does Thorne Catalyte have?

  • Vitamin C appears as Sodium Ascorbate
  • Vitamin B1 (Thiamin) appears as Thiamin HCl
  • Vitamin B2 (Riboflavin) appears as Riboflavin 5-Phosphate Sodium
  • Vitamin B6 (Pyridoxine) appears as Pyridoxal 5-Phosphate
  • Vitamin B9 (Folate) appears as L-5-Methyltetrahydrofolate
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Vitamin B5 (Pantothenic Acid) appears as Calcium Pantothenate
  • Calcium appears as Calcium Lactate
  • Magnesium appears as TRAACS Magnesium Bisglycinate (Albion)
  • Zinc appears as TRAACS Zinc Bisglycinate (Albion)
  • Chromium appears as TRAACS Chromium Nicotinate Glycinate (Albion)
  • Chloride appears as Sodium Chloride
  • Sodium
  • Potassium appears as Potassium Citrate
  • Taurine

Which active ingredients does Douglas Laboratories Calcium Microcrystalline Hydroxyapatite have?

  • Calcium appears as Calcium from Microcrystalline Hydroxyapatite (bovine)
  • Phosphorus appears as Phosphorus as Microcrystalline Hydroxyapatite

Which categories do Thorne Catalyte and Douglas Laboratories Calcium Microcrystalline Hydroxyapatite belong to?

  • Sports Formula
  • Mineral Complex

What health concerns do Thorne Catalyte and Douglas Laboratories Calcium Microcrystalline Hydroxyapatite address?

  • Athletic Performance
  • Energy & Metabolism
  • Recovery & Repair
  • General Health
  • Joint & Bone Health

Which product has a higher amount of Calcium per serving?

  • Douglas Laboratories Calcium Microcrystalline Hydroxyapatite has the highest total amount of Calcium: 500 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Catalyte: 1 scoop
    • Douglas Laboratories Calcium Microcrystalline Hydroxyapatite: 2 capsules
  • Vitamin C
    • This supplement has 100 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin B1 (Thiamin)
    • This supplement has 1 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B2 (Riboflavin)
    • This supplement has 2 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B6 (Pyridoxine)
    • This supplement has 2 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.3 mg
    • Tolerable Upper Intake Level: 100 mg
  • Vitamin B9 (Folate)
    • This supplement has 33.3 mcg DFE
    • Recommended Dietary Allowance in men: 400 mcg DFE
    • Recommended Dietary Allowance in women: 400 mcg DFE
    • Tolerable Upper Intake Level: 1000 mcg DFE
  • Vitamin B12 (Cobalamin)
    • This supplement has 6 mcg
    • Recommended Dietary Allowance in men: 2.4 mcg
    • Recommended Dietary Allowance in women: 2.4 mcg
    • Tolerable Upper Intake Level: Not established
  • Calcium
    • This supplement has 500 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Phosphorus
    • This supplement has 220 mg
    • Recommended Dietary Allowance in men: 700 mg
    • Recommended Dietary Allowance in women: 700 mg
    • Tolerable Upper Intake Level: 4000 mg

Last updated: February 12, 2026

  • Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
  • We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
  • Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
  • Editorial standards: we provide independent, impartial and objective data analysis.
  • This analysis is for educational purposes only. It is not a substitute for medical advice.
  • Questions? Read our Frequently Asked Questions or contact us, we’re here to help.
  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team