Safety and side effects Peptides can offer significant health benefits, but like any other biologically active therapy, they can cause some side effects
helens Vitamin B12 deficiency can cause a range of symptoms such tiredness, shortness of breath, dizziness, numbness or tingling in the hands and feet, mental confusion or forgetfulness as well as other symptoms
Noticed I eat a little less than usual
A randomized controlled trial in 167 older adults (50 years) found two-year supplementation with vitamin B 12 (10 g/day), along with folic acid (200 g/day), vitamin B6 (10 mg/day), riboflavin (5 mg/day), and vitamin D (10 g/day), had no effect on bone mineral density (total hip, femoral neck, or lumbar spine) compared to the control group only receiving vitamin D (10 g/day ) (116)