Proof.Fit

Strength

24 supplements analyzed and ranked by clinical evidence.

Supplements24

Supplement Evidence

Main Effects
Iron

Iron markers +59%; Hb

Exercise/functional gains +6.9%

Strong
302216
Branched-Chain Amino Acids

Frailty/Walking +0.7

Strength/Muscle +5–15%

Strong
142210
Essential Amino Acids

MPS/lean mass +

Strength/function +

Strong
262919
Whey Protein

Lean mass + strength

+1RM, +4kg LBM

CSA + strength

Strong
66217
Creatine

Strength +1RM

Strength + sprint power

Strong
191214
HMB

Strength ↑; +4.6kg grip

Lean mass ↑; +1.2%

Power/function ↑; +21.5% jump

Strong
13213
Leucine

Strength +5-15%

Strength +20 kg

Strong
39217
Casein

Strength +31%

Strength gains

Moderate
35215
Ashwagandha

Strength +46kg

Recovery/hormones +11.7%

Moderate
5018
Citrulline

Strength: +11% power

Strength: +37% gain

Moderate
23013
ATP

Strength +24% ATP

Power +8% creatine

Moderate
76111
L-Proline

Collagen synthesis +100%

Wound healing, +20%

Bone turnover, -45%

Moderate
96113
Beef Protein

Strength +14–38%

Strength +18%

Moderate
24912
L-Citrulline

NO/flow ↑; +54%

Strength/endurance mixed; +52.9%

BP ↓; βˆ’9.3%

Moderate
11711
Nitrate

Strength/power +4-15%

VO2/BP/lactate shifts

Nitrate biomarkers ↑

Moderate
98412
DHEA

Strength +25 N, +5.4%

Training synergy +15%

Moderate
48716
Beta-Alanine

Power/endurance +37%

Sprint/jump gains +15%

Weak
2546
Urolithin A

Endurance up +60.8 m

Strength up +12%

Recovery markers down

Weak
1517
Thiamine

Improved nerve signs

Grip +1.2kg

Weak
20515
Bamboo Extract

No pain/function change

Disc volume +740 mm3

Weak
12
Arachidonic Acid

PG signaling ↑

IL-6/MuRF-1 ↓

Weak
59519
GlyNAC

GSH restored; strength ↑

Oxidative stress↓; strength ↑

Weak
16
Gamma Oryzanol

Bench +3.3 kg

Leg curl up

Weak
148
Tribulus Terrestris

Bench +10.8 kg

Testosterone preserved

Weak
239