@TheNutriLab_ https://t.co/OiHiWgCKhT reliable clinical study links ejaculation frequency to lower serum B12.Fatigue and poor focus have dozens of causes: poor sleep, stress, depression, thyroid problems. Symptoms this nonspecific can be matched to anything.
@TheNutriLab_ 3.Well-established causes are a strict vegan diet, pernicious anemia (lack of intrinsic factor), gastric surgery, long-term metformin or acid-suppressant use, and malabsorption.
@TheNutriLab_ 1.Semen is mostly water, fructose, protein and a little zinc. It contains only trace B12, negligible next to the daily requirement of about 2.4 µg.