Glutathione reserves decline in your body due to several factors, like age, environmental parameters, stress, malnutrition, etc
NATURALLY HEAL YOUR SKIN AND EMBRACE A HEALTHY GLOW
For example, many studies observed mitochondrial damage in postmortem brain samples and mouse models of AD, PD and ALS 2,3
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For hair specifically, the relevant subset of these pathways translates into improved follicle environment, reduced oxidative damage to dermal papilla cells, and a calmer inflammatory state three of the four root causes of androgenetic alopecia, addressed simultaneously by a single molecule
You might try mixing the Vitamin B12 with a small amount of wet food and see if he will eat it