Thorne Advanced Testosterone Support
vs
Douglas Laboratories Hair Growth+
Supplement Comparison

  • Zinc: 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
    • 13 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Advanced Testosterone Support vs Douglas Laboratories Hair Growth+.

Try the VIOscan dashboard demo for free

Build comparison charts in seconds – no signup or card needed

This is a free preview of the $9.99/month premium dashboard

Use the interactive demo with multivitamins samples

Try Free Demo

Frequently asked questions

Which active ingredients does Thorne Advanced Testosterone Support have?

  • Zinc appears as TRAACS Zinc Bisglycinate (Albion)
  • Ashwagandha
  • Shilajit
  • Luteolin appears as Luteolin Phytosome

Which active ingredients does Douglas Laboratories Hair Growth+ have?

  • Zinc appears as Zinc Gluconate
  • Green Tea appears as Green Tea Extract (Camellia sinensis leaf, standardized to 98% polyphenols and 45% EGCG)
  • Grape (Vitis vinifera) Seed Extract appears as Grape Seed Extract (Vitis vinifera, 90% polyphenols)
  • Taurine
  • Pea Shoot Extract appears as AnaGain Nu (pea shoot extract, Pisum sativum)

Which categories do Thorne Advanced Testosterone Support and Douglas Laboratories Hair Growth+ belong to?

  • Hormone Support Formula
  • Herbal Extract

What health concerns do Thorne Advanced Testosterone Support and Douglas Laboratories Hair Growth+ address?

  • Athletic Performance
  • Brain, Focus & Cognitive Function
  • Heart & Cardiovascular Health
  • Hormonal Balance
  • Men's Health
  • Antioxidant Support
  • Skin, Hair & Nail Health

Which product has a higher amount of Zinc per serving?

  • Both products list the same total amount of Zinc per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Advanced Testosterone Support: 2 capsules
    • Douglas Laboratories Hair Growth+: 2 capsules
  • Zinc
    • This supplement has 15 mg
    • Recommended Dietary Allowance in men: 11 mg
    • Recommended Dietary Allowance in women: 8 mg
    • Tolerable Upper Intake Level: 40 mg
  • Zinc
    • This supplement has 15 mg
    • Recommended Dietary Allowance in men: 11 mg
    • Recommended Dietary Allowance in women: 8 mg
    • Tolerable Upper Intake Level: 40 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