The best chemicals here with a cheap price, like many medcine also on sale, like Glutathione
 link: https://www.echemi.com/products/pid_Seven2745-glutathione.html

Although we ca n't completely avoid toxic substances in the environment, we can still change our daily habits and cut down on consumption as much as possible.

By dietary fats

We can also make food "Thttling" it open source as well.

food that contains sulfur

Sulfur, which is present in many natural plants and animals, is a significant mineral for the human body. The synthesis of glutathione takes a lot of energy from sulfur. Supplementing sulfur may therefore increase the production of glutathione.
If you're a vegetarian, you can, of course, choose some vegetarian foods to replace the sulfur, like broccoli, broccoli, kale, watercress, and mustard.

Numerous studies have shown that consuming foods high in sulfur can help to balance out oxidative stress.

Additionally, onions, garlic, and other vegetables have potential to raise glutathione levels.

Consult a doctor before purchasing methylsulfonyl methane( MSM), which is beneficial for the synthesis of glutathione, to supplement sulfur.

-lipoic acid

The powerful antioxidant cytokinesic acid( Lipoic acid) lowers the concentration of glutathione and raises the level of mitochondrial glutathione, facilitating the transition from an oxidized state to a reduced state.