Glutathione: what it is, benefits, and why it’s the “Master Antioxidant”

You’ve probably heard it called “the most powerful antioxidant” or the “master antioxidant”. Glutathione isn’t just a trend in the fitness and anti-aging world; it’s a vital molecule our body produces to protect us from the inside of every cell.

As the years go by, our natural glutathione production drops, leaving our “protective shield” weakened. In this article, we dive into what science says about supplementing it and how it can change your health.

What is Glutathione and what’s it good for?

Glutathione is a small protein (peptide molecule) naturally produced by our body. It’s made up of three amino acids joined together: cysteine, glycine, and glutamate.

Its main job is to act as an endogenous antioxidant, meaning it works inside cells to neutralize free radicals and protect organs and tissues. Medicine is currently studying its positive impact on diseases like diabetes, hepatitis, and even neurodegenerative conditions.

Its 3 vital functions:

1. Immune boost: modulates lymphocyte response and increases cytokine production.
2. Detoxification: the main player in removing toxins in the liver and kidneys.
3. Cell protection: repairs damage caused by radiation, pollution, and oxidative stress.

Science-backed benefits of Glutathione

If you want to boost your performance or longevity, here’s why glutathione is a must-have:

Where to buy the best Glutathione supplement?

Not all glutathione supplements are created equal. At HSN we’ve developed formulas with maximum bioavailability to make sure the nutrient reaches your cells intact.

Our picks:

🛒 Reduced Glutathione 250mg (EssentialSeries): the active and stable form of glutathione, perfect for high-quality daily antioxidant support.

🛒 Liposomal Glutathione Liposovit® 250mg (EssentialSeries): uses liposomal technology to protect the molecule through the digestive system, ensuring superior absorption.

How to take Glutathione? Effectively

The recommended daily dose is 250 mg/day of glutathione, based on studies. Keep in mind that higher intakes (around 1 mg) haven’t shown extra benefits.

Currently, it’s been observed that introducing glutathione through direct administration routes or patches produces better results than oral intake when it comes to raising plasma glutathione levels. That’s why it’s become a valuable tool in clinical settings.

When to take it?

You can take glutathione supplements any time of the day, since it’s not a lipid-based compound.

That said, since it doesn’t break down into L-cysteine in the intestinal tract, it’s best to avoid taking it with drugs or antinutrients that might affect its absorption.

Glutathione vs free radicals: how does it work?

To understand its importance, we need to talk about free radicals. These are reactive substances that damage our cellular structures (DNA, proteins, and lipids).

There are two types glutathione has to fight:

• Exogenous: tobacco smoke, UV radiation, pollution, and poor diet.
• Endogenous: generated by the body itself during inflammation or intense exercise.

Does glutathione eliminate them all? No, and that’s a good thing. Exercise produces free radicals necessary for muscle adaptation. Glutathione balances this environment so you get the benefits of training without suffering chronic oxidative damage.

Foods that boost your Glutathione levels

Although supplementation is the most direct route, you can support your body with these foods:

Precautions and side effects

It’s a very safe supplement. However:

• Zinc: Long-term use could lower zinc levels, so it’s recommended to keep an eye on this mineral.
• Pregnancy: Not recommended without medical supervision during pregnancy or breastfeeding.
• Alcohol: Drinking alcohol depletes glutathione stores; avoid alcohol if you want to optimize your levels.

References:

• Glutathione levels in health and sickness. Kharb S1, Singh V, Ghalaut PS, Sharma A, Singh GP.
• N-acetylcysteine replenishes glutathione in HIV infection. De Rosa SC 1 , Zaretsky MD , Dubs JG , Roederer M
• N-acetylcysteine in psychiatry: current therapeutic evidence and potential mechanisms of action. Olivia Dean, BS
• Cystine and theanine supplementation restores high-intensity resistance exercise-induced attenuation of natural killer cell activity in well-trained men. Kawada S1, Kobayashi K, Ohtani M, Fukusaki C.
• Uncoupling proteins and the control of mitochondrial reactive oxygen species production. Mailloux RJ1, Harper ME.

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