Klean Athlete

Klean Hydration, 358 g

Klean Hydration by Klean Athlete is an electrolyte powder formulated to support fluid balance and hydration during and after physical activity.

May be a fit for

  • Athletes seeking electrolyte replenishment during prolonged training sessions
  • Those who sweat heavily and want to maintain fluid balance
  • Endurance athletes supporting hydration between workout intervals
$39.99

30-day money-back guarantee
Save together with Wellness Circles

Invite friends or family to a Wellness Circle. Your group can unlock savings together. See current tiers and terms before joining.

Explore Wellness Circles
PowderFormat
358 gPack size
The essentials

A closer look.

Klean Hydration by Klean Athlete is an electrolyte powder formulated to support fluid balance and hydration during and after physical activity. Designed with athletes in mind, it provides key electrolytes, including sodium, potassium, and magnesium, to help replenish what's lost through sweat.

Why It's Worth Considering: Klean Athlete is NSF Certified for Sport, meaning each batch is tested for banned substances, a meaningful distinction for competitive athletes who require verified supplement purity.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Athletes seeking electrolyte replenishment during prolonged training sessions
  • Those who sweat heavily and want to maintain fluid balance
  • Endurance athletes supporting hydration between workout intervals
  • Individuals seeking a clean-label electrolyte formula without artificial additives

Considerations

  • Known allergy to any ingredient (check label)
  • Currently pregnant or breastfeeding (consult healthcare provider)
  • Taking prescription medications (check for interactions)
  • Under 18 years of age (unless recommended by pediatrician)
From across the web

Real reviews. A wider perspective.

Customer reviews, social conversations and expert insights, with every source in view.

Marketplaces & brand websites
Amazon, iHerb and direct brand reviews
Social & community
Reddit, X, Instagram and TikTok
Video & creators
YouTube and creator perspectives

Coverage varies by product and brand.

Good to know

A few useful answers.

Research & further reading

More category questions

How should I store this supplement?

Store in a cool, dry place away from direct sunlight. Most supplements are stable at room temperature (59-77°F). Keep the bottle sealed between uses. Check the label for any specific storage requirements — some probiotics and oils require refrigeration.

Can I take this with other supplements?

Most supplements can be taken together safely. However, some minerals compete for absorption (zinc and iron, calcium and magnesium) and should be taken at different times of day. If you're taking prescription medications, consult your healthcare provider about potential interactions.

How long should I take this supplement?

Most supplements benefit from consistent daily use over 2-3 months to achieve full effect. Some (like vitamins and minerals) can be taken indefinitely as part of a daily routine. Others (like specific herbs) may benefit from cycling. Follow the product's recommended protocol or consult a practitioner.

When is the best time to take this?

Fat-soluble supplements (vitamins A, D, E, K, omega-3, CoQ10) should be taken with a meal containing fat. Water-soluble supplements (B vitamins, vitamin C) can be taken anytime. Minerals are generally best absorbed with food. Probiotics should be taken with or just before a meal. Check the product label for specific timing recommendations.

How do I know if this supplement is working?

Track your specific health goals — energy levels, sleep quality, joint comfort, digestion, mood, etc. Most supplements take 2-8 weeks for noticeable effects. For objective measurement, baseline lab tests before starting (and repeat at 3 months) provide definitive evidence. The Gabriel Score incorporates clinical evidence for expected outcomes.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

Klean Athlete - Klean Hydration, 358 g