A study indicates that regular overdose of isolated vitamin B12 supplements, especially among male smokers, may increase the risk of lung cancer (Brasky et al., 2017)
Individuals who may be considered appropriate candidates include: Persistent fatigue or low energy despite adequate rest Frequent travel with dehydration, jet lag, or recovery issues High physical, cognitive, or professional stress levels Difficulty tolerating oral supplements or poor gastrointestinal absorption Need for hydration support under medical supervision Interest in supportive wellness care alongside doctor-guided treatments Each case is assessed individually
Who Should Exercise Caution
Marked elevations in liver function test results (e.g., AST [SGOT] and ALT [SGPT]), occurred on 2 occasions following administration of high doses (total doses: 106 and 250 g over 3-4 days) of acetylcysteine rectally and via nasogastric tube in a 3-year-old boy with cystic fibrosis
Vitamin K: double bonds beyond coagulation insights into differences between vitamin K1 and K2 in health and disease