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Some people report mild issues such as injection-site irritation, headaches, nausea, fatigue, or water retention

It does not affect testosterone levels or cause the hormonal side effects associated with anabolic steroids

Take charge of your health and vitality by ensuring your B12 levels are where they should be

Muscle loss concerns are more significant in older adults, making protein intake even more critical during switching transitions

However, other studies haven't seen a link between low levels of B12 and cognitive problems or an improvement in these symptoms after getting extra doses of B12

Potential to aid weight loss without drastic insulin spikes or broad hormonal effects