Optimum Nutrition
Optimum Nutrition Gold Standard 100% Whey - Rich Chocolate 5lb
What it is
Optimum Nutrition Gold Standard 100% Whey is the world's best-selling whey protein, made with whey protein isolate as its primary source. Each serving provides 24g of high-quality protein, 5.5g of naturally occurring BCAAs and 4g of glutamine to support muscle growth and recovery, while staying low in sugar and fat. It is banned-substance tested and mixes easily into water or milk in seconds. This 5lb tub in Rich Chocolate flavour provides about 73 servings.
A straightforward, balanced chocolate: less sweet than Extreme Milk, less dark than Double Rich.
Who it's for
Established gym-goers taking a scoop most days who want a single large tub to cover an entire training programme.
How to use it
Take one scoop after training or any time you need more protein.
Worth knowing
Contains milk. Big tubs get boring long before they go off, so if you tire of flavours quickly, two 2lb tubs are the smarter buy.
Our take
Rich Chocolate is the middle ground between ON's Double Rich and Extreme Milk versions, cocoa-forward without turning bitter. In 5lb that is roughly 73 shakes, so it suits someone who already knows chocolate protein agrees with them. Isolate-led and banned-substance tested, which is why it remains our default recommendation.
See it in Pattaya
Optimum Nutrition Gold Standard 100% Whey - Rich Chocolate 5lb is on the shelf now at our shop on Second Road, Pattaya, Thailand. Come in and we'll help you pick the right one — English spoken, open every day.
Nutrition Supplements Pattaya
328/21 Thanon Second, Bang Lamung District
Chon Buri 20150
Open every day 10:00–23:00
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Genuine products, guidance only — not medical advice. For medication or health-condition questions, please ask a pharmacist or doctor.