Not intended for human consumption or therapeutic use of any kind.
A B12 injection delivers a concentrated dose of vitamin B12 into the muscle for a fast energy and mood boost, while IV therapy infuses a broader blend of vitamins, minerals, and hydration directly into your bloodstream
doi: 10.1016/j.neuint.2018.04.012
It's a relatively high amount for a supplement to have, but it shouldn't be a problem for most people since the maximum per-day allowance for adults is 400mcg.34 That said, you may want to avoid Doctor's Best Glutathione + Milk Thistle if you take another supplement that includes selenium or eat a lot of selenium-rich foods (e.g., Brazil nuts, tuna)
Cell wall alterations and localized accumulation of feruloyl-3-methoxytyramine in onion epidermis at sites of attempted penetration by Botrytis allii are associated with actin polarisation, peroxidase activity and suppression of flavonoid biosynthesis