Optimum Nutrition

Optimum Nutrition is a sports nutrition brand from Glanbia Nutritionals in Ireland that offers a range of supplements, including protein powders, amino acids, pre-workouts, and more. The company claims their products are formulated with high-quality ingredients and designed to support muscle growth, recovery, and overall athletic performance.

Many customers have shared positive reviews of Optimum Nutrition products, particularly their Gold Standard Whey protein powder. Whey protein is the leading protein for sports supplements. This product is highly rated for its effectiveness in promoting muscle growth and recovery after workouts, as well as its taste and mixability. Whey protein isolates and whey protein concentrate are one of the most convenient nutritional sources of protein as well as being cheap and easy to digest.

Optimum Nutrition is also known for their Essential Amino Energy supplement, which combines amino acids and caffeine to provide an energy boost and support muscle recovery during workouts. This product is popular among athletes and fitness enthusiasts who are looking for a natural way to enhance their performance and endurance.

We also draw your attention to their micronized creatine powder which is the leading form in this particular category. Creatine supports performance, endurance and muscle recovery.

Stand-Out Products

[1] Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate


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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

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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.


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).

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  • 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


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.

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