In a very practical sense, B12 and other water-soluble vitamins are the safest and easiest nutrients to supplement because your body takes what it needs and gets rid of what it doesnt
Frankly, nobody should ever use water
Blood tests may include liver function tests, full blood count, and renal function
When adverse effects occur, they may include mild skin reactions, gastrointestinal disturbance, or headache, typically following high-dose intramuscular injections rather than oral supplementation
Always remember that this guide is a supplement tonot a substitute forprofessional medical training and advice
If you follow a vegan or vegetarian diet, it can be hard to get enough B12 as it's not naturally found in foods such as fruit, vegetables, or grains