Whey concentrate, isolate, hydrolysate, casein, soy, pea and rice compared by what the label says: protein per serve, amino acid completeness, lactose and cost per 100 g of protein.
Monohydrate versus the premium forms, micronised versus standard, why the cheapest creatine is the most studied, and how to read a creatine label’s fillers, serving size and purity claims.
How to read a vitamin D label anywhere in the world: converting IU to micrograms, D2 versus D3, oil capsules versus tablets, and why the same bottle shows different numbers in different countries.
Why the same brand’s supplement differs between countries, how to compare prices across retailers and currencies, what personal-import rules generally cover, and how to keep a product intact through a long shipment.