glutathione and fertility over 40 Role of antioxidants in preservation of sperm — A narrative review Fertility in the aging male:

If additional glycemic control is needed: Increase from 5 mg to 7.5 mg subcutaneously for 4 weeks and thereafter in 2.5 mg increments after at least 4 weeks on the current dose

You may also find success with a GABA supplement, particularly if you struggle with anxiety

They play a vital role in metabolizing substances like glutathione

Beyond skin benefits, these tablets are packed with essential vitamins and nutrients including Vitamins B2, B6, D3, and E, which help support important body functions such as energy metabolism, cellular regeneration, and immune system maintenance

Thats not just an evidence question, its a sequencing question