OTL Fitness-Podcast 097 | Sind SPORTGETRÄNKE wirklich wichtig?

13 Jun 2018 · 7 min
7:05

Podcast episode from OTL (YouTube) explaining types of sports drinks (isotonic, hypotonic, hypertonic), when each is appropriate, and what an "optimal" sports drink should supply. The host defines isotonic drinks as matching blood osmotic pressure (good fluid and mineral uptake), hypotonic drinks as lower solute concentration (fast hydration, often alkalizing via bicarbonate), and hypertonic drinks (e.g., cola, undiluted juices, energy drinks) as dehydrating and impairing gastric emptying. The episode covers sweat and mineral losses during intense exercise (up to ~3 L/h sweat; typical electrolyte losses) and gives target sport-drink composition: 15–100 g carbohydrates per liter, 300–450 mg sodium/L, ~300 mg chloride/L, ~100 mg potassium/L, ~100 mg calcium/L, and ~20 mg magnesium and sulfate/L. Practical advice: recreational athletes usually only need water or diluted juice; endurance/competitive athletes should use formulated sports drinks and pre‑hydrate. Episode closes with a promotional mention of OTL's nutrition advisor license and a discount code.

Questions this video answers

Up to 3 liters per hour.

Between 15 and 100 g per liter.

Approximately 300 to 450 mg per liter.

About 300 mg per liter.

Around 100 mg per liter each (potassium and calcium).

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