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🏆 #1 Supplement 2026
Sports Nutrition · Most Popular

Creatine Monohydrate — The #1 Performance Supplement

The most researched supplement in sports nutrition history. Proven to increase strength, muscle mass, and exercise performance.

★★★★★ 4.8/5 60,000+ reviews across stores Amazon's Choice
Compare Prices — Best Deals 2026
Amazon
Optimum Nutrition 400g · Subscribe & Save · Ships Today
$29.99$17.99Save 40% + S&S
Buy Now →
iHerb
NOW Sports 500g · Free shipping $40+ · 30-day return
$24.99$19.99Save $5
View Deal →
Myprotein
Creatine Monohydrate 1kg · USA Stock
$34.99$22.99Save $12
View Deal →
Bulk Supplements
Pure Creatine 500g · Lab Tested · No fillers
$22.96$18.96Save 17%
View Deal →
⚡
Instant Strength Boost
+8–14% increase in max strength within 4 weeks
💪
Muscle Growth
2–4 lbs lean muscle in first month of loading
🧠
Brain Performance
Improves memory and cognitive function
🔄
Faster Recovery
Reduces muscle soreness post-workout
The Science

What Research Says About Creatine

Over 500 peer-reviewed studies support creatine as the most effective legal performance supplement.

500+
Peer-Reviewed Studies
More research exists on creatine than any other sports supplement. The evidence is overwhelming and consistent.
Source: International Society of Sports Nutrition
+8%
Average Strength Increase
Meta-analyses show consistent 8–14% improvements in 1-rep max across bench, squat, and deadlift.
Source: Journal of Strength & Conditioning Research
3–5g
Daily Optimal Dose
No loading phase required. 3–5g daily maintains peak muscle saturation for most adults.
Source: ISSN Position Stand 2021
100%
Safe for Healthy Adults
Decades of research confirm no negative effects on kidneys, liver, or hydration in healthy individuals.
Source: Mayo Clinic / ISSN
Product Details

Creatine Monohydrate — Full Specs

FormMicronized Powder (best absorption)
Dose per serving5g (1 teaspoon)
Servings per container80 (400g) — 160 (800g)
Daily dosage3–5g (no loading required)
When to takeAny time — with or without food
MixabilityDissolves in water, juice, or protein shake
TasteUnflavored (neutral)
CertificationsInformed Sport, NSF, Creapure® (top brands)
Suitable forMen, women, vegetarians, vegans
Results timeline4–8 weeks of consistent use
FAQ

Frequently Asked Questions

Do I need to do a loading phase? +
No. A loading phase (20g/day for 5–7 days) saturates muscles faster but isn't necessary. Taking 3–5g daily achieves the same saturation in 3–4 weeks.
Is creatine safe for women? +
Absolutely. Women respond equally well to creatine. Studies show the same strength and muscle benefits with no hormonal effects.
Does creatine cause hair loss? +
No direct evidence links creatine to hair loss. One small study showed increased DHT (a hair-loss hormone), but it has never been replicated. Major health organizations consider this a myth.
Which brand is best — Optimum Nutrition or Creapure? +
Both are excellent. Creapure® is a German-made, patented form with the highest purity certification. Optimum Nutrition uses Creapure in many products. For budget: BulkSupplements or NOW Sports are solid alternatives.
Amazon vs iHerb — where is creatine cheaper? +
Amazon typically wins with Subscribe & Save discounts (up to 15% off). iHerb is competitive for international buyers. Check both — prices fluctuate weekly.
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