Explaining the Benefits of Lipoic Acid

I’ve been educating people on the benefits of eating a wide variety of antioxidants from a wide variety of sources. Unfortunately, because of the poor conditions of our soil, many of our favorite fruits and vegetables simply do not carry the same nutritional punch that they did a few decades ago.

What does this mean to you? First and foremost, it means that you need to supplement daily with a variety of antioxidants. One of the most important for your health is lipoic acid, and below I’ll take an in-depth look at this very unique antioxidant.

What Makes Lipoic Acid So Unique?

Widely known as a potent and effective antioxidant, lipoic acid demonstrates a multitude of health benefits directly related to its chemical structure. While most antioxidants are either water-loving or fat-loving, lipoic acid is actually both.

Unlike vitamins C and E, which are confined to water and fat environments respectively, lipoic acid can scavenge free radicals and reduce oxidative stress in both environments. The distinctive chemical structure of lipoic acid is what makes it one of the most powerful antioxidants found in nature.

The body makes lipoic acid, though in very small amounts. Food is also not an abundant source of the antioxidant. Supplementation with lipoic acid is probably the best route for benefitting from its unique properties since the amount found in food is so low.

Lipoic Acid Protects Against Oxidative Stress

One of the leading theories of aging is called oxidative stress, which describes the build-up of free radicals over time. Although a small amount of oxidative stress may help to activate defense mechanisms and actually be good for us, in today’s world we are bombarded with free radicals – the highly reactive compounds that are generated from our environment, our diet, and even from our normal metabolic processes.

These compounds react violently with critical body proteins, important cellular fats, and even DNA. Lipoic acid helps prevent this damage by neutralizing free radicals and reducing oxidative stress.¹

But, not only is lipoic acid active in both water and fat, it also regenerates other antioxidants like vitamins C, E and CoQ10.^2,3 This makes it the veritable workhorse of antioxidants. It scavenges free radicals and helps other antioxidants do the same.

There’s yet another reason to supplement with lipoic acid: It works synergistically with B-vitamins. The result of this “tag-team” effort is enhanced carbohydrate metabolism for healthier energy production throughout the body. Lipoic acid does this by helping to protect mitochondria, the cell’s powerhouses, from oxidative damage.

Probably the most crucial relationship to highlight is the one between lipoic acid and glutathione — one of the most potent antioxidants in the human body. Glutathione inhibits the activity of nuclear factor-kappa beta (NF-kappaB), a pro-inflammatory transcription factor. In one animal study, lipoic acid increased glutathione levels significantly, particularly in the lungs, liver and kidneys.⁴

Lipoic Acid and Metabolic Syndrome

Overwhelming evidence now suggests that lipoic acid may play a role in protecting against metabolic syndrome — a constellation of risk factors that often precedes full-blown type 2 diabetes. According to an exhaustive review of experimental studies, lipoic acid reduces blood pressure, reverses insulin resistance, improves lipid profiles, and improves weight.⁵

Another study showed dramatic effects of administering lipoic acid in improving insulin sensitivity in overweight adults with type 2 diabetes. Lipoic acid produced significant improvements in weight and insulin sensitivity after just four weeks of supplementation.⁶ The results of this study may have important implications in treating metabolic syndrome and diabetes moving forward.

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