HMB vs Pycnogenol

Side-by-side comparison of mechanisms, dosing, interactions, and stacking potential.

HMBPycnogenol
CategorySupplementsSupplements
Standard Dose
Timing
Cycle Duration
Evidence LevelModerateModerate
A

HMB

Supplements

Mechanism

Leucine metabolite that reduces muscle protein breakdown and may support recovery under high training or caloric deficit conditions.

Contraindications

  • None established at standard doses
B

Pycnogenol

Supplements

Mechanism

Polyphenol-rich French maritime pine bark extract that improves endothelial nitric oxide signaling, capillary tone, and oxidative defense.

Contraindications

  • Use caution before surgery

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