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A focused ALA formulation with 600 mg of DL-alpha-lipoic acid in every capsule. The medicinal ingredient is paired with microcrystalline cellulose and silicon dioxide inside a hypromellose shell. This alpha lipoic acid supplement contains one medicinal ingredient, with its form and per-capsule quantity stated separately from the capsule ingredients.

Understanding the DL Form

DL-alpha-lipoic acid contains the R and S forms of alpha-lipoic acid. The letters identify the ingredient form, distinguishing this formula from supplements containing only R-alpha-lipoic acid. ALA is the common abbreviation for alpha-lipoic acid; DL-ALA specifies the combination used here.

The 600 mg quantity represents the complete DL-ALA ingredient. It does not indicate 600 mg of isolated R-ALA, and it does not include the weight of the capsule shell or other non-medicinal ingredients.

One Ingredient at a Defined Strength

Rather than combining alpha-lipoic acid with a medicinal blend of vitamins, minerals or herbs, this formula provides DL-ALA on its own. Each capsule encloses the stated ingredient amount in an individually portioned format.

There is no loose powder to weigh or dissolve into a beverage. The capsule presentation keeps preparation simple while retaining a clearly identified medicinal ingredient and strength.

Alpha Lipoic Acid 600 mg | DL-ALA | 120 Vcaps

Regular price $23.70
Unit price
per 

Health Canada Licensed Natural Health Product (NPN 80122537)

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A focused ALA formulation with 600 mg of DL-alpha-lipoic acid in every capsule. The medicinal ingredient is paired with microcrystalline cellulose and silicon dioxide inside a hypromellose shell. This alpha lipoic acid supplement contains one medicinal ingredient, with its form and per-capsule quantity stated separately from the capsule ingredients.

Understanding the DL Form

DL-alpha-lipoic acid contains the R and S forms of alpha-lipoic acid. The letters identify the ingredient form, distinguishing this formula from supplements containing only R-alpha-lipoic acid. ALA is the common abbreviation for alpha-lipoic acid; DL-ALA specifies the combination used here.

The 600 mg quantity represents the complete DL-ALA ingredient. It does not indicate 600 mg of isolated R-ALA, and it does not include the weight of the capsule shell or other non-medicinal ingredients.

One Ingredient at a Defined Strength

Rather than combining alpha-lipoic acid with a medicinal blend of vitamins, minerals or herbs, this formula provides DL-ALA on its own. Each capsule encloses the stated ingredient amount in an individually portioned format.

There is no loose powder to weigh or dissolve into a beverage. The capsule presentation keeps preparation simple while retaining a clearly identified medicinal ingredient and strength.

Supplement Facts

Supplement Facts

Serving Size: 1 Capsule

Servings Per Container: 120

Ingredient
Amount Per
Serving
% Daily
Value
DL-α-Lipoic Acid
600 mg
†

† Daily Value not established.

Other Ingredients:
Microcrystalline Cellulose, Silicon Dioxide, Hypromellose (vegetable capsule). Vegan. Non-GMO. Gluten Free.

Clinical Research

Thioctic Acid (Alpha-Lipoic Acid) and Glucose Metabolism: AMPK Activation and GLUT4 Translocation

Experimental and Clinical Endocrinology & Diabetes, 2004

Clinical and mechanistic review documenting alpha-lipoic acid's role in glucose metabolism support through AMPK (AMP-activated protein kinase) activation and GLUT4 glucose transporter translocation to the cell surface in muscle and adipose tissue. Confirms that supplemental DL-alpha-lipoic acid enhances insulin stimulated glucose uptake through this mechanism

Alpha-Lipoic Acid as a Biological Antioxidant and Antioxidant Network Regenerator

Free Radical Biology and Medicine, 1995

Landmark review establishing alpha-lipoic acid and its reduced form DHLA as universal antioxidants active in both aqueous and lipid cellular environments — a property not shared by vitamin C (aqueous only) or vitamin E (lipid only). Documents DHLA's ability to regenerate vitamin C, vitamin E, and glutathione, extending the antioxidant activity of the entire network. Provides the foundational scientific basis for alpha-lipoic acid's classification as a universal antioxidant and antioxidant network regenerator

Alpha-lipoic acid as a dietary supplement: molecular mechanisms and therapeutic potential

Biochimica et Biophysica Acta, 2009

This comprehensive review examined the mechanisms and therapeutic potential of alpha-lipoic acid (ALA) as a dietary antioxidant supplement. The review documented ALA's unique ability to function as an antioxidant in both water-soluble and fat-soluble cellular environments, its role in recharging Vitamin C, Vitamin E, and glutathione after they have neutralized free radicals, and its ability to upregulate the body's own antioxidant enzyme systems. The authors concluded that ALA is one of the most versatile and potent dietary antioxidants available, with well-documented mechanisms supporting its use as a network antioxidant that enhances the activity of other antioxidants in the body.

Research information is provided for educational purposes and does not replace the product's approved label information.

Frequently Asked Questions

What is alpha lipoic acid and what does it do?

Alpha lipoic acid (ALA) is a naturally occurring organosulfur compound synthesized in small amounts by the body. It functions as an essential cofactor for two critical mitochondrial enzyme complexes the pyruvate dehydrogenase complex (PDC) and the alpha ketoglutarate dehydrogenase complex (KGDC) both central to cellular energy metabolism. At supplemental doses, ALA acts as a universal antioxidant active in both aqueous and lipid cellular environments, an antioxidant network regenerator (regenerating vitamin C, vitamin E, and glutathione), and a glucose metabolism support agent through AMPK activation and GLUT4 translocation.

What is the difference between DL-ALA and R-ALA?

R-ALA is the naturally occurring, biologically active enantiomer of alpha-lipoic acid found in the body. S-ALA is the synthetic mirror image enantiomer. DL-ALA is the racemic 50:50 mixture of both, produced by chemical synthesis. DL-ALA is more chemically stable than pure R-ALA, less prone to polymerization at room temperature, and is the form used in the majority of clinical research on alpha lipoic acid. Each 600 mg DL-ALA capsule provides approximately 300 mg of biologically active R-ALA.

Why is alpha lipoic acid called a universal antioxidant?

Most antioxidants operate in only one cellular environment vitamin C works in aqueous (water-based) compartments; vitamin E works in lipid (fat-based) membranes. ALA and its reduced form DHLA are active in both simultaneously, protecting water soluble and fat-soluble cellular components with a single molecule. DHLA also regenerates vitamin C, vitamin E, and glutathione, extending the antioxidant activity of the entire network. This dual-environment activity and antioxidant network regeneration is why ALA is classified as a universal antioxidant.

How does alpha lipoic acid support glucose metabolism?

At supplemental doses, free ALA activates AMPK (AMP activated protein kinase), which promotes GLUT4 glucose transporter translocation to the cell surface in muscle and adipose tissue, enhancing insulin-stimulated glucose uptake. This is the mechanism underlying the Health Canada licensed glucose metabolism claim (NPN 80122537). Consult a healthcare practitioner before use if you have diabetes or are taking antidiabetic medications. Stop use if you experience symptoms of low blood sugar (sweating, paleness, chills, headache, dizziness, or confusion).

Who should not take alpha lipoic acid?

Consult a healthcare practitioner before use if you are pregnant, breastfeeding, have diabetes, or are taking antidiabetic medications. Stop use and consult a healthcare practitioner immediately if you experience sweating, paleness, chills, headache, dizziness, or confusion these may be symptoms of serious low blood sugar. Keep out of reach of children.