Douglas Laboratories Free Form Amino Caps
vs
Metagenics CandiBactin-BR®
Supplement Comparison

  • Blend: Douglas Laboratories Free Form Amino Caps has 2.0× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 8 nutrients compared
Bar chart: per-serving label amounts and listed forms for Douglas Laboratories Free Form Amino Caps vs Metagenics CandiBactin-BR®.

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Frequently asked questions

Which active ingredients does Douglas Laboratories Free Form Amino Caps have?

  • Blend appears as Free Form Amino Acids Proprietary Blend (18 essential and non-essential amino acids)

Which active ingredients does Metagenics CandiBactin-BR® have?

  • Berberine appears as Berberine HCl
  • Blend appears as Proprietary 4:1 Extract (Coptis chinensis, Scutellaria baicalensis, Phellodendron chinense, Zingiber officinale, Glycyrrhiza uralensis, Rheum officinale)
  • Coptis appears as Coptis (Coptis chinensis) Root & Rhizome 12:1 Extract
  • Oregon Grape appears as Oregon Grape (Berberis aquifolium) Root 4:1 Extract

Which categories do Douglas Laboratories Free Form Amino Caps and Metagenics CandiBactin-BR® belong to?

  • Amino Acid Formula
  • Digestive Support

What health concerns do Douglas Laboratories Free Form Amino Caps and Metagenics CandiBactin-BR® address?

  • Athletic Performance
  • Energy & Metabolism
  • Recovery & Repair
  • Digestive Support
  • Immune System Support
  • Liver & Detox Support

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Douglas Laboratories Free Form Amino Caps: 1 capsule
    • Metagenics CandiBactin-BR®: 2 tablets

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.
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  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team