042-37-802-297 042-37-814-140
Workring Hours: (9:00 AM to 6:00 PM)
042-37-802-297 042-37-814-140
Workring Hours: (9:00 AM to 6:00 PM)
Product Code(SKU): S005P99BJB
Import from USA in Pakistan 
Availability: Instock in USA ✔
Product Category: Beauty
Amazon Category: Health and Beauty
Product weight: 0.50 Pounds
Brand: Jarrow
Important : This product will take 3 to 4 weeks to delivery at your doorstep.
Most alpha lipoic acid (ALA) products contain a racemic mixture of R-Alpha Lipoic Acid (R-ALA) and S-Alpha Lipoic Acid (S-ALA). Generally, equal amounts of R- and S- forms are produced during the manufacturing process of alpha lipoic acid, and thus, these products contain R-ALA and S-ALA in an equal ratio of 1:1. However, R-ALA is the only form of lipoic acid that is endogenously synthesized in humans and other organisms. Human pharmacokinetic studies have shown that peak concentrations of R-ALA are 40-50% higher than S-ALA after oral supplementation of racemic preparations, suggesting that R-ALA may have better absorption and bioavailability. In animal studies, R-ALA supplementation has shown better biological effects such as insulin-stimulated glucose transport, glucose metabolism, and antioxidative status. Thus, R-ALA may provide superior health benefits compared to racemic mixtures (R-ALA and S-ALA) or S-ALA alone.*
R-ALA works in many ways to enhance cellular antioxidant status.* For example, supplementation of lipoic acid significantly increases biosynthesis of glutathione, a potent antioxidant that protects cells from reactive oxygen species. In vitro studies have shown that lipoic acid stimulates the expression of gamma-glutamylcysteine ligase, the rate limiting enzyme in the glutathione synthesis pathway, as well as cellular uptake of cysteine, an amino acid required for glutathione synthesis, resulting in an overall increase in intracellular glutathione by 30-70%.*
Some of the R-ALA absorbed from the diet or synthesized in the body can be converted into DHLA (dihydrolipoic acid), the active-antioxidant form of R-ALA. Studies have shown that DHLA plays a key role in recycling many antioxidants including vitamins and other molecules involved in various redox systems. For example, it has been reported that DHLA is superior in its ability to regenerate vitamin C from its oxidized form compared to glutathione. DHLA can also reactivate alpha-tocopherols directly or do so indirectly by converting vitamin C to its reduced form, which then reduces oxidized alpha-tocopherol. Similarly, DHLA reactivates oxidized glutathione and prevents lipid peroxidation. These recycled antioxidants, such as vitamin C and glutathione, can further recycle other antioxidants such as vitamin E, keeping the “antioxidant network” operating smoothly. Lastly, DHLA interacts with NADPH- or NADH-dependent electron transport systems to recycle vitamin E.*
One of the major functions of R-ALA is to enhance energy production via improved mitochondrial functions.* R-ALA is a disulfide compound and it is naturally found in mitochondria as a coenzyme for pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase, directly helping mitochondrial energy production. It also helps mitochondria as an efficient antioxidant by protecting against oxidative stress that may impair or slow down mitochondria.*
Further, R-ALA is known to stimulate healthy glucose metabolism.* In clinical studies, supplementation supported blood glucose levels, insulin activity and insulin sensitivity without reported side effects. This efficient glucose metabolism seems to contribute to healthy lipid metabolism as well.*
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Supports energy production and healthy metabolism*.
Includes D-biotin, a natural cofactor that may compliment RALA in promoting mitochondrial health*. View larger.
Most alpha lipoic acid (ALA) products contain a racemic mixture of R-Alpha Lipoic Acid (R-ALA) and S-Alpha Lipoic Acid (S-ALA). Generally, equal amounts of R- and S- forms are produced during the manufacturing process of alpha lipoic acid, and thus, these products contain R-ALA and S-ALA in an equal ratio of 1:1. However, R-ALA is the only form of lipoic acid that is endogenously synthesized in humans and other organisms. Human pharmacokinetic studies have shown that peak concentrations of R-ALA are 40-50 percent higher than S-ALA after oral supplementation of racemic preparations, suggesting that R-ALA may have better absorption and bioavailability. In animal studies, R-ALA supplementation has shown better biological effects such as insulin-stimulated glucose transport, glucose metabolism, and antioxidative status. Thus, R-ALA may provide superior health benefits compared to racemic mixtures (R-ALA and S-ALA) or S-ALA alone.*
One of the major functions of R-ALA is to enhance energy production via improved mitochondrial functions.* R-ALA is a disulfide compound and it is naturally found in mitochondria as a coenzyme for pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase, directly helping mitochondrial energy production. It also helps mitochondria as an efficient antioxidant by protecting against oxidative stress that may impair or slow down mitochondria.* Further, R-ALA is known to stimulate healthy glucose metabolism.* In clinical studies, supplementation supported blood glucose levels, insulin activity and insulin sensitivity without reported side effects. This efficient glucose metabolism seems to contribute to healthy lipid metabolism as well.*
R-ALA works in many ways to enhance cellular antioxidant status.* For example, supplementation of lipoic acid significantly increases biosynthesis of glutathione, a potent antioxidant that protects cells from reactive oxygen species. In vitro studies have shown that lipoic acid stimulates the expression of gamma-glutamylcysteine ligase, the rate limiting enzyme in the glutathione synthesis pathway, as well as cellular uptake of cysteine, an amino acid required for glutathione synthesis, resulting in an overall increase in intracellular glutathione by 30-70 percent.*
Some of the R-ALA absorbed from the diet or synthesized in the body can be converted into DHLA (dihydrolipoic acid), the active-antioxidant form of R-ALA. Studies have shown that DHLA plays a key role in recycling many antioxidants including vitamins and other molecules involved in various redox systems. For example, it has been reported that DHLA is superior in its ability to regenerate vitamin C from its oxidized form compared to glutathione. DHLA can also reactivate alpha-tocopherols directly or do so indirectly by converting vitamin C to its reduced form, which then reduces oxidized alpha-tocopherol. Similarly, DHLA reactivates oxidized glutathione and prevents lipid peroxidation. These recycled antioxidants, such as vitamin C and glutathione, can further recycle other antioxidants such as vitamin E, keeping the "antioxidant network" operating smoothly. Lastly, DHLA interacts with NADPH- or NADH-dependent electron transport systems to recycle vitamin E.*
R-ALA also stimulates the expression of various phase II detoxification enzyme genes. For example, cells that were treated with lipoic acid showed a dose- and time-dependent increase in gene expression of GSTA2, glutathione S-transferase A2, a phase II detoxification enzyme that plays a role in the elimination of carcinogens, drugs, environmental toxins and products of oxidative stress.* Activation of phosphatidylinositol 3-kinase (PI3K)-dependent CCAAT/enhancer binding protein (C/EBP) has been suggested as one of the possible mechanisms of induced phase II detoxification enzyme expression. Similarly, multiple studies have shown that supplementation of lipoic acid induces neuroprotective phase II detoxification enzymes, NAD(P)H:quinone oxidoreductase (NQO1) and glutathione-S-transferase (GST) in cultured neuronal cells (e.g. human neuroblastoma SH-SY5Y, and C6 astroglial cells) in a dose- and time-dependent manner. Treatment also increased endogenous antioxidants, providing additional neuroprotective effects.* Therefore, R-ALA supplementation may protect cells from various types of damage by efficiently eliminating toxins and unwanted materials.*
Biotin (B7) is a water-soluble B vitamin that serves as a cofactor for many enzymes including pyruvate carboxylase, acetyl-CoA carboxylase, propionyl-CoA carboxylase, and 3-methylcrotonyl-CoA carboxylase. These enzymes play critical roles in mammalian gluconeogenesis, fatty acid synthesis, propionate metabolism, and the catabolism of leucine. Thus, biotin supplementation, along with R-ALA, will further support healthy metabolism and energy production.*
If you have a medical condition (especially diabetes or being treated for glucose control), are pregnant, lactating, trying to conceive, under the age of 18, or taking medications (especially for glucose control), consult your health care practitioner before using this product.
Jarrow Formulas complete line of over 350 nutritional products includes vitamins, minerals, probiotics, standardized herbal concentrates, amino acids, enzymes and enteral nutrition products. Customers can be assured of purity, value and potency when choosing these products.
Jarrow Formulas R-Alpha Lipoic Acid, 60 Vegetarian Capsules.
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