Who is Optimum Nutrition?
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History & Ownership
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ON was founded in 1986 with a mission to “make sports nutrition better.”
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They are now part of Glanbia Performance Nutrition (GPN), a large global nutrition company based in Ireland.
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They have manufacturing facilities in both the United States and the UK.
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Reputation & Quality
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ON claims to have strict quality control, testing every ingredient.
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They are “Informed Choice” / “Informed Sport” registered, meaning some of their products are tested for banned substances.
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Their “Gold Standard” whey is one of their signature products and is extremely popular.
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Their brand campaign (“There’s more of you in you”) emphasizes long-term active lifestyle support, not just bodybuilding.
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Global Reach
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Their products are sold in 90+ countries.
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They cover a lot of nutritional categories: powders, ready-to-drink shakes, bars, energy products, multivitamins, etc.
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Key Product Lines / Categories
Here are some of the major product lines and what they’re good for:
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Protein Powders
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Gold Standard 100% Whey: Their flagship whey protein. Fast absorbing, good for post-workout recovery.
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Gold Standard 100% Isolate: A more pure form of protein with higher isolate content.
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Gold Standard 100% Casein: A slow-digesting protein — ideal for sustained amino‑acid release (e.g., overnight).
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Gold Standard 100% Plant Protein: Vegan protein option made from plant sources.
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Platinum Hydrowhey: A hydrolysed whey (pre-digested) for fast absorption.
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Amino / Energy Products
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Essential Amino Energy (sometimes called Amino Energy): Provides amino acids plus a moderate caffeine boost — used as a pre-workout or for general energy.
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They also have BCAA products.
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Performance & Strength Supplements
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Micronised Creatine Monohydrate: Their creatine powder, a classic for strength and power training.
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Serious Mass: A high-calorie “mass gainer” for people who need to bulk up.
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Protein Bars & Snacks
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They have protein bars for on-the-go protein.
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For example: their Crispy Protein Bars deliver a high protein hit in a snack format.
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Hydration & Recovery
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They do “Clear Protein” — a lighter, more refreshing protein drink, which is more “drink-like” than a thick shake.
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Other performance/recovery supplements are also part of their range.
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Strengths & Why People Like ON
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Trust & Track Record: With decades in the industry, ON has built strong brand trust.
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Wide Range: They cater to many goals — muscle gain, endurance, recovery, general active lifestyle.
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Global Quality: Their products are widely available and made in high-standard facilities.
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Testing & Safety: Some products are third-party tested for banned substances, which is appealing to serious athletes.
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Innovation: They have been innovators (e.g., slow-digesting casein, “anytime energy” products) over the years.
Criticisms / Potential Weaknesses
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Price: As a premium / well-known brand, some of their products might be more expensive than budget brands.
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Counterfeits: As with many popular supplement brands, there are reports online of fake ON products, so buying from reputable sources is important. > For example:
“So I recently ordered … I scratched the code … and it showed up as NOT GENUINE”
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Formulation Concerns: Some community discussions mention changes in ingredient sourcing (e.g., “has ON stopped using Creapure in their creatine?”).
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Mixing / Taste: As with any supplement, taste is subjective; some flavors may suit people more than others.
Who Is Optimum Nutrition Best For?
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Gym-goers / Strength Athletes: Because of their protein and creatine offerings.
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General Fitness Enthusiasts: Their amino-energy products and bars suit regular exercisers.
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People Bulking: Serious Mass is tailored for those who want to gain weight/size.
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Vegan / Plant-based: Their plant protein line makes them accessible for non-animal-protein users.
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Athletes Subject to Testing: The Informed‑Choice / Informed‑Sport certification is helpful for competitive athletes.
Stand-Out Products
[1] Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate
Ingredients:
Protein Blend (Whey Protein Isolates, Whey Protein Concentrate, Whey Peptides), Cocoa, Lecithin, Natural and Artificial Flavour, Acesulfame Potassium.
[2] Optimum Nutrition Gold Standard 100% Whey Protein Powder, Extreme Milk Chocolate
Ingredients:
Protein Blend (Whey Protein Isolate, Whey Protein Concentrate, Whey Peptides), Cocoa (Processed with Alkali), Natural and Artificial Flavors, Lecithin, Creamer (Sunflower Oil, Maltodextrin, Modified Food Starch, Dipotassium Phosphate, Tricalcium Phosphate, Tocopherols), Salt, Acesulfame Potassium, Aminogen, Sucralose, Lactase.
The Gold Standard 100% Whey Products
- Gold Standard 100% Whey – 24g of protein per serving to help build and maintain muscle when taken over time with regular resistance training
- 5.5g of naturally occurring branched chain amino acids (BCAA and 11g of naturally occurring essential amino acids (EAAs) per serving to support muscle recovery
- Anytime formula – great before or after exercise, between meals, with a meal, or any time of day when you need extra protein
- The world’s best-selling whey protein powder
- Banned substance tested and the highest quality control measures so you feel comfortable and confident consuming the product
- Gluten free
Safety Information
Use this product as a food supplement only. Do not use for weight reduction. Intended for healthy adults over the age of 18.This product is labelled to United States standards and may differ from similar products sold elsewhere in its ingredients, labeling and allergen warnings.
Directions
Consume approximately 1 gram of protein per pound of body weight through a combination of high protein foods and protein supplements. For the best results, consume your daily protein allotment over several small meals spread evenly throughout the day. Spoon Stirred: 100% Whey Gold Standard is instantized. That means if you forgot your shaker cup or don’t have time to get out the blender, you can just add one rounded scoop to a glass filled with 6-8 oz. of water, nonfat milk or your beverage of choice.
[3] Optimum Nutrition Micronized Creatine Monohydrate Powder.
The leading creatine supplement for sports people according to Amazon (5th May 2023).
- 5 grams pure creatine monohydrate per serving
- Supports increases in energy, endurance and recovery
- Maximum potency supports muscle size, strength, and power
- Supreme absorbency micronized to get the most out of each dose
Directions:
SUGGESTED USE: CREATINE LOADING: Take 1 rounded teaspoon of Micronized Creatine Powder with morning, afternoon, and evening meals and 1 additional rounded teaspoon before going to bed for 4-5 days to help saturate your muscles with creatine. CREATINE MAINTENANCE: Take 1 rounded teaspoon with a meal or immediately after training with your post-workout protein shake. TIPS: Drink at least 8 glasses of water daily when supplementing with creatine.
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Legal Disclaimer Concerning Products On This Web-Site
The products and the information provided about specific products on or through this site have not been evaluated by the United States Food and Drug Administration or by any other national regulatory body and are not intended to diagnose, treat, cure or prevent disease. The information provided on this site is for informational purposes only and is not intended as a substitute for advice from your physician/doctor or other health care professional or any information contained on or in any product label or packaging. You should not use the information on this site for diagnosis or treatment of any health problems or for prescription of any medication or other treatment. You should consult with a healthcare professional before starting any diet, exercise or supplementation program, before taking any medication or if you suspect you might have a health problem.
Article revised on the 5th May 2023 to reflect changes in product specification and removal of old brands.


