The legendary Gold Standard 100% Whey manufacturer — what do you need to know before buying ON products?

Optimum Nutrition (ON) is one of the most famous sports nutrition brands in the world. Founded in 1986 in the USA, in the state of Illinois, the company became famous for its flagship product — Gold Standard 100% Whey. Today ON belongs to the Glanbia group and is an official partner of many professional sports organizations.
ON's philosophy — the highest quality, strict laboratory control and transparency. Every product batch is tested for purity, composition compliance and banned substances. This explains why ON is one of the best-selling brands among professional athletes.
Gold Standard 100% Whey is the best-selling whey protein in the world — a market leader for more than 30 years!
| Product | Category | Distinction |
|---|---|---|
| Gold Standard 100% Whey | Whey protein | 24g protein, 5.5g BCAA per serving |
| Platinum Hydrowhey | Hydrolyzed Protein | Faster absorption, 30g protein |
| Gold Standard Pre-Workout | Pre-Workout | 175mg caffeine, beta-alanine |
| Serious Mass | Gainer | 1,250 calories, 50g protein per serving |
| Essential Amin.O. Energy | Amino Acids + Energy | Amino Acids + Natural Energy |
ON applies extremely strict quality control standards. All products are manufactured in GMP (Good Manufacturing Practices) certified facilities. The company participates in the Informed-Sport and Informed-Choice programs, which means that every batch is tested for banned substances. This is especially important for athletes competing in competitions.
ON products are tested for 250+ banned substances — safe for professionals!
ON is positioned as a premium mid-range brand. Gold Standard Whey costs about 30-40€ per 900g, which is more expensive than budget options but cheaper than ultra-premium. Most users agree that the quality of ON products justifies the price — it is not the cheapest, but one of the most reliable choices on the market.
| Product | Approximate Price (LT) | Quality Rating |
|---|---|---|
| Gold Standard Whey 900g | 30-40€ | ★★★★★ |
| Serious Mass 2.7kg | 35-45€ | ★★★★☆ |
| Pre-Workout 330g | 25-35€ | ★★★★☆ |
Yes, it is an excellent choice for both beginners and advanced users. High quality, good mixability, balanced amino acid profile.
Platinum Hydrowhey is hydrolyzed whey protein — it is absorbed even faster than regular whey protein. It is suitable for those who want maximum absorption speed after training.
Yes, ON participates in the Informed-Sport program — the products contain no banned substances and are safe to use during competitions.
ON Serious Mass — one of the most popular gainers on the market. 1,250 calories and 50g protein per serving with a carbohydrate and protein blend.