Alpha-Lipoic Acid 400 mg
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Gelatin capsule, Microcrystalline Cellulose, Magnesium Silicate, Magnesium Stearate, Stearic Acid, Silica
Recommended Use
Suggested usage: 1 capsule 1-2 times per day or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery. Keep out of the reach of children. Sealed for your protection. Do not use if seal is broken.
Frequently Asked Questions
What is Natural Factors Alpha-Lipoic Acid 400 mg's Formulate score?
Natural Factors Alpha-Lipoic Acid 400 mg scores 78 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Natural Factors Alpha-Lipoic Acid 400 mg worth it?
Natural Factors Alpha-Lipoic Acid 400 mg scores 78/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Natural Factors Alpha-Lipoic Acid 400 mg?
Each serving contains Calcium (40 mg), Alpha-Lipoic Acid (400 mg). Serving size: 1 Capsule(s). 60 servings per container.
How do I take alpha-lipoic acid 400 mg?
Suggested usage: 1 capsule 1-2 times per day or as directed by a health professional.
Who makes Alpha-Lipoic Acid 400 mg?
Alpha-Lipoic Acid 400 mg is made by Natural Factors. See Formulate's full grade and product lineup for Natural Factors on its brand page.
Is Natural Factors Alpha-Lipoic Acid 400 mg third-party tested?
Natural Factors lists the following certifications and testing for this product: Gluten-Free, Dairy-Free, Sugar-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.