b12 injections given where How to Give Yourself a Injection B12 Shots at Home: How,

When you take a pill, the vitamin must navigate your digestive tract, which severely diminishes its potency

Importantly, persistently high serum B12 in the absence of supplementation should prompt GP assessment, as it may indicate underlying disease processes

"A diet including fish, meat and dairy products normally provides an adequate amount of vitamin B12, but people who exclude some or all of these foods, like vegans," explains Holland and Barrett

Eating fortified cereals can also help

Nutrition and resistance training are the non-negotiable foundation for body composition, and peptides are meant to support that work, not replace it