SIS Rego Rapid Recovery Drink - 1.5kg

Chocolate

£50.00

A vegan post-exercise recovery drink combining carbohydrate, soya protein isolate, and 2.5g L-Leucine per serving, Informed Sport certified, selected by the PEAK4 expert team.

£50.00

Secure checkout | SSL encrypted

10% Off First Order

Use code GET10

Key Benefits

2.5g L-Leucine

A properly dosed amount of the amino acid most linked to muscle protein synthesis.

2.5g leucine

Informed Sport Certified

Every batch is third-party tested under the Informed Sport programme, giving athletes at all levels confidence that the product is free from prohibited substances.

Batch Tested

Fully Vegan

No allergens declared, no gluten-containing ingredients.

Vegan

30 Servings

1.5kg pouch, 50g per serving, built for regular post-training use.

30 servings

Science in Sport (SIS)

The PEAK4 expert team selects SIS for its Informed Sport Site and Product Certification, the only sports nutrition brand globally to hold both, backed by the full PEAK4 performance ecosystem and free UK delivery over £50.

Dual Informed Sport certified

SIS REGO Rapid Recovery — Soya Protein, Leucine, Informed Sport Certified
The PEAK4 expert team selected SIS REGO Rapid Recovery for its focus on the "golden window" immediately after exercise, when carbohydrate and protein replenishment matters most.

Each serving delivers a blend of carbohydrate, high-quality soya protein isolate, and 2.5g of L-Leucine, the amino acid most directly linked to muscle protein synthesis, alongside a full vitamin and mineral blend.

SIS REGO Rapid Recovery contains 2.5g of L-Leucine per serving, an amino acid that plays a key signalling role in triggering muscle protein synthesis after exercise.