Given that B12 injections don't directly lead to vitamin injection for weight gain, who are they actually recommended for
While HGH provides comprehensive growth hormone effects including muscle growth, recovery enhancement, and fat loss, it also affects glucose metabolism, increases IGF-1 levels, and carries greater side effect potential
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May support reductions in fat mass while preserving lean muscle in animal models [8] [9]
However, doctors may recommend taking B12 supplements after the age of 50 years as your ability to absorb B12 decreases with age
Are there any side effects of B12 injections