Source Naturals TMG
vs
Source Naturals Cat's Claw Bark
Supplement Comparison

  • Calcium: Source Naturals Cat's Claw Bark has 2.5× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 5 nutrients compared
Bar chart: per-serving label amounts and listed forms for Source Naturals TMG vs Source Naturals Cat's Claw Bark.

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Frequently asked questions

Which active ingredients does Source Naturals TMG have?

  • Calcium appears as DiCalcium Phosphate
  • Trimethylglycine

Which active ingredients does Source Naturals Cat's Claw Bark have?

  • Calcium appears as Calcium and dibasic calcium phosphate
  • Cat's Claw (Uncaria tomentosa) appears as Cat's Claw Bark

Which categories do Source Naturals TMG and Source Naturals Cat's Claw Bark belong to?

  • Methylation Formula
  • Single Mineral
  • Herbal Extract

What health concerns do Source Naturals TMG and Source Naturals Cat's Claw Bark address?

  • Heart & Cardiovascular Health
  • Liver & Detox Support
  • Methylation Support
  • General Health
  • Immune System Support

Which product has a higher amount of Calcium per serving?

  • Source Naturals Cat's Claw Bark has the highest total amount of Calcium: 103 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Source Naturals TMG: 1 tablet
    • Source Naturals Cat's Claw Bark: 2 tablets
  • Calcium
    • This supplement has 42 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg
  • Calcium
    • This supplement has 103 mg
    • Recommended Dietary Allowance in men: 1000 mg
    • Recommended Dietary Allowance in women: 1000 mg
    • Tolerable Upper Intake Level: 2500 mg

Last updated: February 21, 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