ATH Lytes vs LMNT (Summit vs Conditioning Fuel)

ATH Lytes and LMNT electrolyte packets placed side by side on the Mount Baldy summit plaque at 10,064 feet elevation, symbolizing a high-altitude fuel comparison

ATH Lytes was hyped on IG as a better electrolyte than LMNT. On trail, the truth showed: Lytes works for conditioning hikes, but LMNT still reigns supreme for TrailGenic™ summits.

We started this review because multiple IG ads pitched ATH vs LMNT head-to-head, claiming ATH was the better choice. The goal: cut through the noise and root out the truth signal.

Yesterday’s attempt was aborted early-trail due to lightning (see Ella’s article on the storm). Today, we went back for a clean, controlled test on Mt. Baldy via Register Ridge — a steep, unforgiving climb perfect for stress-testing electrolytes.

Controlled setup:

Results:

Verdict:
ATH Lytes is good for short conditioning hikes (Wisdom Tree, Baldwin Hills) where light hydration and minerals are enough. But for TrailGenic summit pushes (Baldy, Gorgonio, Whitney), LMNT clearly provides steadier energy, focus, and reserves.