Swanson Alpha Lipoic Acid
vs
Douglas Laboratories Alpha-Lipoic Acid
Supplement Comparison

Herbal Extract. Antioxidant Complex.

Antioxidant Support. Blood Sugar Support. Energy & Metabolism.

Serving size: - Swanson Alpha Lipoic Acid: 1 capsule - Douglas Laboratories Alpha-Lipoic Acid: 1 tablet

Alpha Lipoic Acid: 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
- 1 nutrients compared

Frequently asked questions

Serving size:
- Swanson Alpha Lipoic Acid: 1 capsule
- Douglas Laboratories Alpha-Lipoic Acid: 1 tablet

Last updated: February 19, 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).
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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