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Know what you're taking, before you take it.

An independent guide to the main types of sports supplements — what they’re used for and their contraindications, written for readers in the UK.

Popular categories

A selection of the most searched-for supplement types.

mass gainer

Mass Gainer

A high-calorie powder combining protein, carbohydrates and sometimes fat.
egg protein

Egg Protein

Protein extracted from egg white, with no lactose.
plant protein

Plant Protein (blend)

A blend of plant proteins, typically from pea, rice, hemp or soy.
caseine proteine

Casein Protein

A slow-absorbing protein, also derived from milk, released gradually into the body.
whey protein

Whey Protein

A fast-absorbing protein extracted from the whey left over from cheese-making.
BCAA guide

BCAAs (Branched-Chain Amino Acids)

The branched-chain amino acids leucine, isoleucine and valine.

Fact-based information

Clear, no-nonsense descriptions for every supplement type.

No brand promotion

We cover ingredient categories, not specific products.

Guidance, not a prescription

We always recommend speaking to a doctor before taking any supplement.