California Gold Nutrition L-Arginine
vs
Douglas Laboratories L-Arginine 700 mg
Supplement Comparison

  • L-Arginine: Douglas Laboratories L-Arginine 700 mg has 40% more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 2 nutrients compared
Bar chart: per-serving label amounts and listed forms for California Gold Nutrition L-Arginine vs Douglas Laboratories L-Arginine 700 mg.

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Frequently asked questions

Which active ingredients does California Gold Nutrition L-Arginine have?

  • L-Arginine appears as AjiPure L-Arginine

Which active ingredients does Douglas Laboratories L-Arginine 700 mg have?

  • L-Arginine appears as L-Arginine Free Base

Which categories do California Gold Nutrition L-Arginine and Douglas Laboratories L-Arginine 700 mg belong to?

  • Amino Acid Formula

What health concerns do California Gold Nutrition L-Arginine and Douglas Laboratories L-Arginine 700 mg address?

  • Athletic Performance
  • Sexual Health
  • General Health
  • Heart & Cardiovascular Health
  • Recovery & Repair
  • Brain, Focus & Cognitive Function
  • Energy & Metabolism

How do the serving sizes compare between the two supplements?

  • Serving size:
    • California Gold Nutrition L-Arginine: 1 capsule
    • Douglas Laboratories L-Arginine 700 mg: 1 capsule

Last updated: February 20, 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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  • Author: VIOscan Research Team