Thorne 5-Hydroxytryptophan
vs
California Gold Nutrition 5-HTP
Supplement Comparison

  • 5-Hydroxytryptophan: same total amount on both labels
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 4 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne 5-Hydroxytryptophan vs California Gold Nutrition 5-HTP.

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Frequently asked questions

Which active ingredients does Thorne 5-Hydroxytryptophan have?

  • Vitamin B6 (Pyridoxine) appears as Pyridoxal 5-Phosphate
  • 5-Hydroxytryptophan

Which active ingredients does California Gold Nutrition 5-HTP have?

  • 5-Hydroxytryptophan appears as Griffonia simplicifolia extract

Which categories do Thorne 5-Hydroxytryptophan and California Gold Nutrition 5-HTP belong to?

  • Sleep Formula
  • Herbal Extract

What health concerns do Thorne 5-Hydroxytryptophan and California Gold Nutrition 5-HTP address?

  • Mood Support
  • Sleep Quality

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne 5-Hydroxytryptophan: 2 capsules
    • California Gold Nutrition 5-HTP: 1 capsule
  • Vitamin B6 (Pyridoxine)
    • This supplement has 6.8 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.3 mg
    • Tolerable Upper Intake Level: 100 mg

Last updated: February 10, 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