From: Performance enhancement with supplements: incongruence between rationale and practice
Maintain strength | Enhance endurance | ||||||||
---|---|---|---|---|---|---|---|---|---|
Yes | No | Yes | No | ||||||
Creatine | Yes | 124 | 62.6% | 64 | 19.9% | ||||
No | 74 | 37.4% | 258 | 80.1% | |||||
198 | 100.0% | 322 | 100.0% | ||||||
Iron | Yes | 33 | 31.7% | 122 | 29.3% | ||||
No | 71 | 68.3% | 294 | 70.7% | |||||
104 | 100.0% | 416 | 100.0% | ||||||
Ginseng | Yes | ||||||||
No | |||||||||
Whey protein | Yes | 111 | 56.1% | 48 | 14.9% | ||||
No | 87 | 43.9% | 274 | 85.1% | |||||
198 | 100.0% | 322 | 100.0% | ||||||
Caffeine | Yes | 49 | 47.1% | 75 | 18.0% | ||||
No | 55 | 52.9% | 341 | 82.0% | |||||
104 | 100.0% | 416 | 100.0% | ||||||
Vitamin C | Yes | ||||||||
No |