topicCarnitine Supplementation Fatigue Meta-Analysis
claim1 2 A growing body of evidence supports the use of supplements to enhance cycling performance.
evidence level3
citationRowland Andrew (2026)
sourceA comprehensive review of the physiology and evidence base to guide the use of ergogenic and medical supplements for enhanced cycling performance
topicCarnitine Supplementation Fatigue Meta-Analysis
claimThese supplements are broadly classified as ergogenic (direct) supplements, which acutely enhance performance, and medical (indirect) supplements that enable consistent training and improved physical resilience.
evidence level3
citationRowland Andrew (2026)
sourceA comprehensive review of the physiology and evidence base to guide the use of ergogenic and medical supplements for enhanced cycling performance
topicCarnitine Supplementation Fatigue Meta-Analysis
claimThese systems provide evidence-based recommendations for athletes and practitioners.
evidence level3
citationRowland Andrew (2026)
sourceA comprehensive review of the physiology and evidence base to guide the use of ergogenic and medical supplements for enhanced cycling performance
topicCarnitine Supplementation Fatigue Meta-Analysis
claim1 2 3 5 6 7 8 9 More than two billion people are at risk of micronutrient deficiencies, which often involve multiple, rather than single, nutrients [,].
evidence level4
citationMuacevic Alexander (2026)
sourceA to Z of Health: An Evidence-Based Narrative Review of Multivitamin-Multimineral and Nutraceutical Supplementation
topicCarnitine Supplementation Fatigue Meta-Analysis
claimThey are widely used to help individuals meet their daily nutrient requirements, support overall health, and address increased nutritional needs associated with pregnancy, aging, and illness.
evidence level4
citationMuacevic Alexander (2026)
sourceA to Z of Health: An Evidence-Based Narrative Review of Multivitamin-Multimineral and Nutraceutical Supplementation
topicCarnitine Supplementation Fatigue Meta-Analysis
claimAccording to the National Health and Nutrition Examination Survey, MVM use in the USA increased from 35% in 1999-2000 [] to 49-52% between 2011 and 2014, with higher usage among women than men [-].
evidence level4
citationMuacevic Alexander (2026)
sourceA to Z of Health: An Evidence-Based Narrative Review of Multivitamin-Multimineral and Nutraceutical Supplementation
topicCarnitine Supplementation Fatigue Meta-Analysis
claimThe most common deficiencies include vitamin A, folic acid, vitamin D, iron, iodine, and zinc, especially among children and women in low- and middle-income countries [-].
evidence level4
citationMuacevic Alexander (2026)
sourceA to Z of Health: An Evidence-Based Narrative Review of Multivitamin-Multimineral and Nutraceutical Supplementation