a group of responders were identified within the intervention group (60%)
Vitamin B12 deficiencies can cause various adverse health effects, including fatigue, anemia, and nerve damage
It is vital, however, for prospective users to consult healthcare professionals before starting any new supplement, especially if they have pre-existing health conditions or are taking other medications
10.1016/j.molmet.2018.03.008 [DOI] [PMC free article] [PubMed] [Google Scholar] Leibowitz, S
Caffeine, for example, is an addictive substance, so some people may get withdrawal headaches, nausea, irritability, diarrhea, and even vomiting especially if they quit cold turkey instead of weaning off gradually
doi: 10.1093/carcin/23.12.2055 60 LampeJWPetersonS