Doctor's Best Stabilized R-Lipoic Acid contains BioEnhanced® Na-RALA, the sodium salt of R-Lipoic acid (RLA). Unlike pure RLA, BioEnhanced® Na-RALA is a stabilized form of RLA that won't degrade at high temperatures, is more bioavailable than regular RLA and has no solvent residues.*

Lipoic acid (LA) plays an important role in glucose metabolism and energy production. LA, when manufactured, occurs in two molecular forms, designated "R" and "S." The "S" form does not occur naturally in living systems and studies clearly indicate that the "R" form, RLA, is more biologically active than the "S" form. This formula includes the vitamin biotin to further support lipoic acid's metabolic benefits.

Essential for energy generation by mitochondria* Helps promote the body's antioxidant defenses* Helps maintain healthy blood sugar levels already within the normal range*

Benfotiamine is a highly bioavailable derivative of thiamin that can support the circulatory and nervous systems. Alpha-Lipoic acid (ALA) is a key factor in the cellular process that metabolizes glucose for energy production. ALA has the capacity to impact heart, eye, and brain health. Benfotiamine + ALA is a winning combination to support healthy aging and to maintain healthy cells in the presence of circulating glucose.

• Helps control formation of Advanced Glycation End Products (AGEs)*
• Helps support the circulatory and nervous systems*
• Helps dual radical-scavenging action to confront oxidative stress*

• Supports cellular energy
• Active form of R-lipoic acid
• Non-GMO and gluten-free

Promote healthy energy at the cellular level and defend against oxidative stress with Super R-Lipoic Acid from Life Extension. This antioxidant powerhouse is the more biologically “active” form of R-lipoic acid, meaning that it has a greater effect on the body.

Frequently Asked Questions

What is R-lipoic acid?

R-lipoic acid is a compound that protects mitochondria from oxidative stress, promotes healthy mitochondrial function, supports energy production, and aids glucose metabolism.

What is oxidative stress?

Oxidative stress refers to an imbalance of free radicals and antioxidants in the body, which can cause damage to cells.

What are mitochondria?

Mitochondria are the organelles that live in and power the body’s cells. Mitochondrial health affects bodily functions like metabolism, muscle contraction, brain activity, and more.

• Supports energy production
• Promotes glucose metabolism
• Provides antioxidant support
• Free of gluten, dairy, soy, and nuts

R-Lipoic Acid is a form of alpha lipoic acid (ALA)—a versatile antioxidant that is both water- and fat-soluble. As a dietary supplement, R-lipoic acid promotes energy production and glucose metabolism, making it useful for those who want to support healthy blood sugar levels.