Guides

Every guide embeds the live price table, so the numbers are always today's.

Cheapest whey protein
Every whey (isolate, concentrate, blends) ranked by price per kg of protein.
Cheapest whey protein isolate (WPI)
WPI and clear whey, cheapest real protein first.
Whey isolate vs concentrate: is WPI worth the extra?
Label protein %, price per kg of protein, and who each suits.
Best value protein powder
Value = price per gram of protein. The full ranking, updated daily.
Protein cost per gram calculator
Work out price per kg of protein for any tub in 10 seconds.
Cheapest vegan & plant protein powder
Pea, rice, soy and blends ranked by price per kg of protein.
Cheapest casein protein
Micellar casein ranked by price per kg of protein.
Cheapest unflavoured protein powder
Natural / unflavoured powders for cooking and smoothies.
Lactose-free protein powder: cheapest options
Plant, beef and egg powders, plus what "low lactose" means for WPI.
Protein powder for women: do you need a "women's" formula?
We compared "women's" products against standard powders on price per kg of protein.
Protein powder for weight loss: what the "diet" label costs you
Diet / lean / shred powders vs standard whey, by the numbers.
Whey protein price: what a fair price per kg is in 2026
Typical and cheapest prices per kg of protein in Australia, the US and the UK.

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