Potassium Chloride · Potassium Gluconate · Potassium Citrate
Primary electrolyte lost during GLP-1 vomiting and diarrhea — routinely under-replaced.
FDA
Approved
WADA
Not Listed
HALF-LIFE
N/A (mineral)
ROUTE
Oral
SCHEDULE
Daily with meals
In Plain English
Primary electrolyte lost during GLP-1 vomiting and diarrhea — routinely under-replaced.
Status & Legality
NATTY?
No Test ExistsNo established test exists for this compound.
FDA
ApprovedFDA approved for human use.
WADA
Not ListedNot currently on WADA prohibited list.
COMPOUNDING
Rx AvailableAvailable at licensed pharmacies with prescription.
PRESCRIBED
By prescriptionPhysicians can prescribe this compound legally.
ROUTE
OralAdministration via oral.
Electrolyte repletion
Cardiac rhythm support
Muscle contraction
GLP-1 side effect management
Potassium is the primary intracellular electrolyte and is essential for cardiac rhythm, muscle contraction, and cellular fluid balance. GLP-1 side effects — nausea, vomiting, diarrhea — cause significant potassium loss that most users don't replace. The FDA limits standalone OTC potassium to 99 mg per serving, meaning food sources and potassium-rich electrolyte formulas are the primary repletion strategy.
GI irritation at high supplement doses — always take with food
Hyperkalemia at excessive doses (cardiac arrhythmia risk)
Contraindicated at high doses with ACE inhibitors/ARBs
Safe at dietary levels for most people
Relying on OTC potassium capsules as the primary strategy — FDA limits OTC potassium to 99 mg/serving; food sources are the only practical way to reach daily targets
Not recognizing early GLP-1 fatigue and muscle weakness as hypokalemia — users often attribute low potassium symptoms to the peptide rather than electrolyte depletion
Supplementing aggressively while on ACE inhibitors, ARBs, or potassium-sparing diuretics — serious hyperkalemia risk
ACE inhibitors and ARBs — significantly increase potassium retention; hyperkalemia risk with supplementation is serious
Potassium-sparing diuretics (spironolactone, amiloride) — serious hyperkalemia risk; do not supplement potassium
Digoxin — potassium levels directly affect digoxin toxicity thresholds; monitor closely
Potassium is the GLP-1 electrolyte most users under-replace because the supplement doses are FDA-capped at 99 mg — far below daily needs. The solution is food: avocado, sweet potato, and salmon are the most practical high-potassium foods to add daily. If GI side effects are active, an electrolyte powder with 200+ mg potassium bridges the gap.
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Sources & Studies