BioStacks
Natural Factors

Alpha-Lipoic Acid 600 mg

1 Capsule · 60 servings

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What it does

A combination of 3 label ingredients.

ALA

alpha-lipoic acidBudget

Studied for diabetic nerve symptoms, but longer-term trials suggest little or no symptom improvement.

Vitamin B2

riboflavinBudget

Supports normal energy production, cell function and the metabolism of fats.

Metabolism
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Ingredients (3)

Other ingredients

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

Capsule ShellCapsule

Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.

Lab testing

How to take it

With food

ALA does better on an empty stomach, but something else in this bottle needs food. Taking the whole product with a meal is the better trade — an upset stomach is why most people stop.

On the label

Take 1 capsule per day or as directed by a health professional.

Price check

$17.47

$0.29 / serving

$10$20$50

Near the median of 101 ALA supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

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