Black Pepper Extract (Piperine / BioPerine®)

What It Is:
A concentrated form of piperine from black pepper, used to enhance nutrient absorption.

What It’s Used For:

• Increases bioavailability of vitamins and amino acids

• Mild thermogenic and metabolism support

Typical Dose:

• 5–10 mg daily, stacked with other actives

Side Effects:

• Rare stomach irritation in sensitive users

Why It’s Rated 3/5:
Scientifically validated absorption enhancer — great support ingredient, not a direct performance booster.