How to take glutathione for whitening to effective

Glutathione, as a health supplement, has attracted increasing attention from more and more people. Many people improve their health, enhance skin luster, whiten their skin and even resist aging by taking glutathione orally.

Many people will find that although they take a large amount of glutathione every day, they do not seem to see the expected effect.

Why doesn't glutathione you take work?

biological characteristics of glutathione

Before discussing this issue, it is necessary to understand the basic characteristics and functions of glutathione.

Glutathione is a tripeptide composed of three amino acids: glutamic acid, cysteine and glycine, which is widely present in both animals and plants. (1)

Glutathione is hailed as the "guardian of cells", existing in every cell. It is an important antioxidant in the body that can neutralize free radicals, reduce oxidative stress, and protect cells from damage.

Glutathione is also involved in a variety of biochemical reactions, including the transport of amino acids and the detoxification of toxins.

Glutathione can alleviate the effects of oxidative stress, but as one ages, the body's ability to produce glutathione declines, making you more vulnerable to a range of diseases and health problems. (2)

Decreased glutathione levels are associated with following diseases:

• Alzheimer's disease
• "Cancer"
• Chronic liver disease
• Cognitive impairment
• diabetes
• hypertension
• Infertility
• Mental health disorder
• Multiple sclerosis
• Parkinson's disease
• Neurodegenerative diseases

Although the role of glutathione in the body should not be underestimated, its absorption and utilization after oral administration are relatively complex.

bioavailability of oral glutathione is low

Oral glutathione needs to pass through the digestive system, and during the digestion process, gastric acid and digestive enzymes will break it down into amino acids. (2)

Although you may be supplementing glutathione every day, the active ingredient that eventually enters the bloodstream may be negligible.

Even if glutathione can enter the bloodstream through the digestive system, the liver, as the main metabolic organ, will further metabolize and break it down, thereby reducing its effective concentration in the body. (1)

The molecular structure of glutathione is relatively large, making it difficult for it to pass through cell membranes.

Even if a small amount of glutathione can enter the bloodstream, it may be difficult for them to effectively reach the interior of cells.

Other factors affecting absorption of glutathione

In addition to the inherent biological properties of glutathione, which can affect its absorption, there are many other factors that can influence an individual's absorption.

Genetic factors

The genomes of different individuals may affect the metabolism and utilization efficiency of glutathione. (4)

Some gene mutations may lead to a decrease in the activity of glutathione synthase, thereby affecting the level of glutathione in the body.

Dietary and lifestyle factors

Other components in the diet may also affect the absorption and utilization of glutathione. (5)

Foods rich in sulfur, such as garlic, Onions, and cruciferous vegetables, can promote the synthesis of glutathione, while high-sugar and ultra-processed foods may inhibit its synthesis.

Certain nutrients, such as vitamin C, vitamin E, selenium, curcumin, silymarin, and N-acetylcysteine (NAC), can promote the production and regeneration of glutathione.

If these nutritional synergies are overlooked, supplementing glutathione alone may not be significantly effective.

Unhealthy lifestyles, such as smoking, excessive drinking and lack of exercise, can also affect the level of glutathione in the body. (6)

Disease state

Some diseases, such as diabetes, liver diseases, and chronic inflammation, may lead to a decrease in the level of glutathione in the body, affecting its normal function. (2)

Some medications, such as acetaminophen and aspirin, can affect the function of glutathione in the body.

Oxidative stress levels

When the level of oxidative stress in the body is too high, the consumption rate of glutathione accelerates, which may result in the supplemented glutathione failing to meet the body's demands. (7)

Managing lifestyle and psychological stress well to reduce oxidative stress is crucial for maintaining glutathione levels.

How to effectively increase level of glutathione

There are various ways to increase the level of glutathione in the body. Combining diet, lifestyle and supplements can help you increase the content of glutathione more effectively.

Supplement precursor substances

Rather than directly supplementing glutathione, it is better to choose its precursor substances, such as N-acetylcysteine (NAC), α -lipoic acid and taurine, etc. These substances are more easily absorbed and utilized by the body, promoting the synthesis of glutathione.

Consume more foods rich in sulfur

Sulfur is a key element in the formation of glutathione. Increasing the intake of sulfur-rich foods can help raise glutathione levels, such as garlic, Onions, and cruciferous vegetables.

Choose an efficient supplement form

Currently, there are various forms of glutathione supplements available on the market, including oral tablets, powders and injections.

Studies show that compared with oral administration, the injectable form of glutathione can more effectively increase the level of glutathione in the body.

Because it can directly enter the bloodstream and avoid decomposition by the digestive system, its drawback is that it requires a relatively high level of technical expertise and usually needs the assistance of professionals. Many beauty salons use injections.

Some supplements employ liposome or esterification techniques, which coat glutathione molecules with phospholipids to facilitate their passage through cell membranes and resist the damage caused by gastric acid, thereby enhancing the absorption rate of glutathione. (8)

Compared with the injection form, it is easier to obtain and also has a high bioavailability.

There are also some glutathione supplements that may contain other synergistic ingredients such as vitamin C and selenium, which can work together to enhance the effect of glutathione.

Healthy lifestyle

Getting sufficient sleep, moderate exercise and stress management are crucial for raising glutathione levels. A healthy lifestyle helps maintain the antioxidant balance in the body.

In daily life, one should also avoid those harmful factors, such as not smoking or drinking alcohol, not eating overly processed foods, and minimizing the use of plastic, etc.

Supplement other nutrients at same time

Some studies have shown that antioxidants such as vitamin C and selenium can enhance the effect of glutathione. Consider supplementing them together with glutathione.

Reference link

• ①https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4684116
• ②https://pmc.ncbi.nlm.nih.gov/articles/PMC6522248/
• ③https://pmc.ncbi.nlm.nih.gov/articles/PMC6770193/
• ④https://pmc.ncbi.nlm.nih.gov/articles/PMC3303626/
• ⑤https://pmc.ncbi.nlm.nih.gov/articles/PMC6770193/
• ⑥https://pmc.ncbi.nlm.nih.gov/articles/PMC4707200/
• ⑦https://pmc.ncbi.nlm.nih.gov/articles/PMC5551541/
• ⑧https://ichgcp.net/zh/clinical-trials-registry/NCT06345950