Effectiveness of Creatine on Pain, Fatigue, and Muscle Architectural Variables in Patients Witg Fibromyalgia.

Creatine, a non-protein organic amino acid, is synthesized from arginine, glycine, and methionine. The use of creatine has been shown to be effective in healthy subjects, providing benefits primarily in terms of strength, which has been the main factor studied. In patients with various conditions, including pain, creatine supplementation has demonstrated a reduction in pain and even cognitive improvements. Due to creatine's general improvement in muscular endurance and fatigue.

Inclusion Criteria: * Diagnosed with FM * aged between 18 and 75 years * agree to participate and sign the informed consent Exclusion Criteria: * who do not have recent surgeries * patients with reduced mobility * adequate level of comprehension to be able to answer the questionnaires that will be provided in the study * If they are taking antihypertensive medications