In fact, people with vitamin B12 levels on the lower side of normal performed worse on memory tests than those with high-normal levels in a study in The American Journal of Clinical Nutrition (5)
Most side effects are mild and temporary, such as flushing, mild nausea, or soreness at the injection site
B12 is water-soluble, and its generally safe even at very high doses
Helps with Fetal Development During Pregnancy: Studies indicate that lower B12 levels in pregnant women increases the risk of preterm birth and are associated with an increased risk of newborn low birth weight
Sermorelin is a synthetic GHRH analogue not licensed in the UK for growth hormone deficiency treatment or weight management in adults
Many sublingual supplements provide between 1,000 mcg and 5,000 mcg per serving, although the appropriate amount depends on individual needs and should follow the product label or your healthcare provider's guidance