Here's how it stacks up against competitors
Cynthia M
Its main roles are the stimulation of insulin release [30], suppression of glucagon secretion [31], delay of gastric emptying and reduction in food intake [32]

Frequent use of antibiotics Higher levels of radiation therapy and X-rays Pesticides and herbicides Cleaning chemicals in conventional household products (laundry powders, dishwashing powders, air fresheners, mothballs, bleach) Nitrates and other food preservatives (especially food like salami, hams or other cured and processed meats) Smoking Alcohol consumption Poor diet Light pollution at night (E.g., light from mobile phones and street lights suppress melatonin production at night and in turn, glutathione levels.) Signs of glutathione deficiency: Brain fogginess Tiredness Joint stiffness Dry skin Restlessness Low mood Coming down with ills and chills more often Foods that help our natural GSH production Sulphur rich, cruciferous vegetables including broccoli, Brussels sprouts, cauliflower, cabbage, kale, watercress, radish and turnips
Comparison conditions were as follows: 0 month, accelerated 6 month test
Maximum no-observed-effect level (NOEL) in dogs: 200 mg/kg