Relationship: Fatigue and potassium

Evidence supporting the use of: Potassium
For the health condition: Fatigue

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Potassium is an essential mineral and electrolyte that plays a critical role in cellular function, nerve transmission, and muscle contraction. Scientific evidence does support the use of potassium supplementation in very specific cases of fatigue—namely, fatigue caused by hypokalemia (potassium deficiency). Hypokalemia can result from prolonged vomiting, diarrhea, use of certain diuretics, or medical conditions such as adrenal disorders. In these cases, fatigue is a well-documented symptom, and potassium repletion reliably alleviates this fatigue as part of correcting the underlying deficiency. However, for the general population or for cases of fatigue not linked to low potassium levels, there is little scientific evidence to support the use of potassium as a fatigue remedy. Randomized controlled trials have not shown benefit from potassium supplementation in healthy individuals or in those with fatigue caused by other factors (e.g., chronic fatigue syndrome, overwork, or stress). Moreover, excess potassium supplementation can be harmful, especially in individuals with kidney disease or those taking medications that increase potassium levels. In summary, while potassium supplementation is scientifically validated for fatigue due to hypokalemia (evidence level 5 in this narrow context), its use for general fatigue lacks robust scientific support, justifying an overall evidence rating of 2. Routine use for fatigue without confirmed deficiency is not recommended.

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Other ingredients used for Fatigue

acai berry
acetyl l-carnitine
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Other health conditions supported by potassium

Alkalosis
Arrhythmia
Cardiovascular Disease
Congestive Heart Failure
Cramps (leg)
Cramps and Spasms
Edema
Fatigue
Hypertension
Kidney Stones
Muscle Tone (lack of)
Radiation Sickness

Products containing potassium

Health Concerns

Brands

Evidence supporting the use of: Potassium
For the health condition: Fatigue

Table of Contents

Synopsis

Other ingredients used for Fatigue

Other health conditions supported by potassium

Products containing potassium

Health Concerns

Brands

Evidence supporting the use of: PotassiumFor the health condition: Fatigue

Table of Contents

Synopsis

Other ingredients used for Fatigue

Other health conditions supported by potassium

Products containing potassium

Evidence supporting the use of: Potassium
For the health condition: Fatigue