Uk-health

Dietary supplements are beneficial in specific, defined contexts: correcting deficiencies (vitamin D, B12, folate, iron), supporting life stages with increased needs (pregnancy, older adults), and supplementing macronutrients when food intake is insufficient. This article covers where supplements have genuine evidence and where claims exceed the evidence.

Long-term weight loss success (maintaining >10% loss at 1 year) is achieved by approximately 20% of people who attempt it. Research identifies consistent predictors: sustained calorie tracking, regular physical activity, protein adequacy, and self-monitoring. This article reviews what distinguishes successful maintainers from those who regain.