NexGen Lifesciences
Peptide & hormone research · Edition 2026

The Peptide
Field Guide

What each compound is, how it works, what the evidence really shows and where it stops. Graded A to E, in plain English.

New to peptides?Start here: the basics and how our grades work Mixing calculatorWater, strength and syringe units, worked out for you

Feel Lean

Appetite, body composition and metabolic health.

Feel Performance

Recovery, repair and the growth-hormone axis.

Feel Youth

Skin, hair, connective tissue and cellular ageing.

Feel Clarity

Focus, calm, sleep and the brain.

Feel Energy

Mitochondria, NAD+ and cellular fuel.

Feel Love

Libido, hormones and connection.

Feel Resilient

Immune signalling and the thymus.