
Optimum Nutrition - GOLD STANDARD Pro Gainer
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Based on 1 year's data from Mar 20, 2026 How it works
i work at gnc and i love when i give people mass gainers and they come back telling me how much they gained weight and they love what i gave them. depending on how much you wanna gain, i like Mass Tech Extreme 2000 from Muscletech. its 2,000 calories for 6 scoops and 80g of protein. i always tell customers to split the serving size up and take 2 scoops three times a day. [here’s the link](https://www.muscletech.com/products/mass-tech-extreme-2000) another gainer i like is Optimum Nutrition Pro Gainer. it’s 1 scoop for 650 calories, 60g of protein which is super lean! [here’s the link](https://www.gnc.com/on/demandware.store/Sites-GNC2-Site/default/DeepLinking-Link?destination=com.gnc.app%3A%2F%2Fproduct%2F352609%3Fsource%3Dgnc-marketing-email%26fallbackToStore%3Dtrue) Even though i work at gnc, i normally don’t promote their products like other locations BUT i do like their Mass XXX formula for the gym. it’s a little more professional with added amino acids, some creatine, plus MyoTor which is a muscle builder plus strength. the jar says “increase muscle mass within 2 weeks and increase lean muscle mass within 40% fewest sets” and customers came back to tell me they did in fact see differences!!! [here’s the link](https://www.gnc.com/on/demandware.store/Sites-GNC2-Site/default/DeepLinking-Link?destination=com.gnc.app%3A%2F%2Fproduct%2F123404%3Fsource%3Dgnc-marketing-email%26fallbackToStore%3Dtrue)
100% ON Gold for the win. Mixes so nicely also.
ON Gold also just blends so well it’s a nice fine powder. Agreed it’s top tier.
Leanfit protein is absolutely disgusting mixability/texture. It foams up so much. I hate that protein. I only buy Optimum Nutrition at Costco, it mixes perfect every time and has the best flavors/taste imo. I usually stock up with about 4-5 bags whenever I see it on sale. If I dont drink it all I sell bags on facebook marketplace. Ez profit because they are extremely expensive if you buy elsewhere. EDIT: Hes asking for opinions on Costco protein. I gave my opinion and im being downvoted LOL. ON Gold Standard > Leanfit in my opinion.
I dont buy anything but ON anymore. I know its more expensive but its something I drink pretty much daily so I dont want something that tastes bad every day. If you get lucky with a good sale at Costco, ON isnt that crazy expensive. I wish they had more flavors tho. One time they did have S'mores flavor on sale, I bought 6 bags. S'mores is good.
ON before but now Wheyl since sobrang mahal na ng ON. Tried R1 din pero for some reasons, sumasakit tiyan ko.
Mir schmeckt das von More Nutrition am besten.
I don't know what you mean by "clean" but Optimum Nutrition Gold is pretty much the gold standard.
Second this. Optimum nutrition off their Lazada store You can also find alternatives/ natural products from Organic Village online store
love pescience. I used to drink ON but then my stomach would always gurgle a little after. no issues with pescience and the flavours are better than ON imo!
Kirkland first for best balance of flavor and price. ON always overall winner on taste and texture, but inenevr buy it from Costco due to price.
It seems about the same to me, but after trying it I did go back to ON and similar ones when they are on sale. The Kirkland one is more my backup one.
ON. Shakes well with little effort, no clumps. Flavors are meh but I can always doctor it up if I’m feeling froggy.
Pretty sweet I’d say. Packaging recommends 8oz to mix (I use almond or oat milk) but I find 14-16oz best for flavor and consistency.