Andrew Huberman notes that despite its popularity and extensive animal studies, there is only one poorly conducted human study, leaving much about its behavior in the human body, including its pharmacokinetics, still unknown 2
Injectable protocols are newer but have accumulated substantial safety data
In conclusion, vitamin B12 is an essential nutrient that plays a crucial role in maintaining the overall health of an individual
Use only the ring finger (least pressure), apply with gentle tapping or pressing along the orbital bone (never on the lid), use 1 drop per eye maximum, avoid direct contact with the eye, allow to absorb before applying any moisturizer, and never rub or drag the periocular skin
For example, a study published in the journal Nutrients in 2017 found that glutathione supplementation can enhance immune function and reduce the risk of infections