Catalyte by Thorne

Hot-weather runners, high-intensity class regulars, and heavy sweaters who cramp or fade late in sessions are the real wins for this electrolyte powder. One scoop delivers 485 mg sodium plus potassium and magnesium, which replaces what sweat takes. If you track a Basic Metabolic Panel, pay attention to Sodium, Potassium, and Magnesium — low-normal values with frequent training are a sign you’ll feel this most. Low-carb or keto athletes, who excrete more sodium, also tend to benefit.

Sodium, potassium, and magnesium keep fluid where it belongs — inside working muscle and circulating blood — which stabilizes heart rate and reduces cramping. Taurine (an amino acid that helps cells balance water and electrolytes) supports cell volume and muscle function. The B‑vitamins here arrive in active forms, like riboflavin 5'-phosphate and pyridoxal 5'-phosphate, to help enzymes that turn carbs and fats into ATP (your cell’s energy currency). Chromium (bound to nicotinate glycinate for absorption) nudges insulin action, aiding glucose entry into muscle during and after training.

Mix one scoop in at least 12 oz water and sip before and during training; finish another serving after long or very sweaty sessions. In heat or at altitude, most athletes use 1–2 scoops per hour. If your urine is very light and you’re bloated, back off fluid and keep sodium steady. Pairing this electrolyte powder with carbs during long efforts improves endurance; use plain water for easy days.

If you take a diuretic, ACE inhibitor, ARB, or spironolactone (blood-pressure and heart meds that alter Potassium and Sodium), talk to your clinician and monitor a Basic Metabolic Panel. Kidney or heart failure, liver cirrhosis, and medically restricted-sodium diets require supervision. Separate this electrolyte powder by 2 hours from quinolone or tetracycline antibiotics because Magnesium and Zinc can reduce their absorption. If you use insulin or sulfonylureas, watch glucose the first few uses due to chromium.