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R-Lipoic Acid

4.7
★ ★ ★ ★ ★
(1477 ratings)
Biotin 300 mcg
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Score80
A substantial, clearly identified R-alpha-lipoic acid sodium salt with modest supporting biotin. Its main caution is additive blood-sugar lowering with diabetes treatment.
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Capsule
Quantity:90 Capsule(s) • (90 servings)
Goals:

Score 80

A substantial, clearly identified R-alpha-lipoic acid sodium salt with modest supporting biotin. Its main caution is additive blood-sugar lowering with diabetes treatment.
How scoring works
$30.76($0.34 per serving)
iHerb
$ 30.76
Pure Formulas
$ 30.77
iHerb
$ 30.76
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Analysis

The capsule provides 450 mg R-alpha-lipoic acid as a sodium salt, giving a clearly identified active isomer and a substantial antioxidant amount. The listed 45 mg sodium contribution is modest but should still be visible to users tracking sodium.

Biotin contributes 300 mcg and plays a secondary nutritional role rather than defining the formula. The combination is better aligned with antioxidant and metabolic support than with a standalone biotin goal.

Ninety one-capsule servings make the routine convenient. People using insulin or other glucose-lowering medicines need to monitor for additive blood-sugar effects.

Who is it for
  • Adults seeking R-alpha-lipoic acid
  • Users wanting focused antioxidant support
  • People who prefer one-capsule servings
Best for
  • R-alpha-lipoic acid supplementation
  • Antioxidant support
  • Metabolic support under appropriate monitoring

Pros

  • 450 mg R-alpha-lipoic acid
  • Active R-isomer is identified
  • One-capsule serving
  • 90-serving supply

Cons

  • Biotin is only a secondary component
  • Not a targeted hair or nail formula
  • Relatively high serving cost
  • Adds 45 mg sodium

Warnings

  • Alpha-lipoic acid may add to insulin or other glucose-lowering medicines and contribute to low blood sugar

Nutrient quality

89 Highest impact

The core active amounts are meaningful for the intended use. R-alpha-lipoic acid is identified as a sodium salt while the biotin isomer is unspecified, which leaves the main quality trade-off.

Ingredient transparency

85 Highest impact

All listed active ingredients have specific amounts and no proprietary blend hides the core formula. Complete inactive ingredients and full daily-use directions are not supplied.

Customer satisfaction

70 High impact

The aggregate satisfaction signal is strong and the supplied volume is substantial. No specific experience details are provided to assess repeated complaints or purpose-related outcomes.

Value for money

71 High impact

The formula has coherent active ingredients but only moderate serving value. Similar products may offer a lower serving burden or clearer quality details.

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Ingredients

IngredientAmount per serving
Biotin
300 mcg
Sodium (Sodium Salt)
 45 mg
R-Alpha Lipoic Acid (Sodium Salt)
 450 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Biotin · 300 mcg OverallScore59
B+ Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyC Value

A low, clearly stated biotin amount plays a supporting role beside the much larger R-alpha-lipoic acid dose. The vegetarian capsule is favorable, but d-biotin is not verified. Neutral value reflects the specialty alpha-lipoic acid, which may compound glucose-lowering medicines in people treated for diabetes.

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