Brown Fat and Thermogenesis Beyond white adipose tissue (the primary fat storage tissue), humans possess brown adipose tissue (BAT) specialized for thermogenesis (heat production)
A small study published in the early 2000s found that MT-II administered via subcutaneous injection led to improved erectile function in some participants
Injecting can also come with risks like pain and swelling at the injection site, infection or allergic reaction
He added that B12 deficiency "can be undiagnosed or underdiagnosed since symptoms can be nonspecific," like cognitive slowing, fatigue, tongue swelling, arm or leg tingling, and difficulty walking
People 65+Vegetarians & vegansPeople who have gastrointestinal diseasesPeople who have had parts of their intestines surgically removed Is Vitamin B12 Safe
Deficiency in B12 can lead to neurological problems, such as tingling or numbness in the hands and feet, difficulty walking, and memory impairment