Optimum Nutrition FAQ: Everything You Need to Know
Updated JULY 2025*
Optimum Nutrition is one of the most trusted names in sports nutrition, known for its premium protein powders, pre-workouts, amino acids, and mass gainers. At Nutrition Now, we stock a wide range of Optimum Nutrition products to support your fitness goals. In this FAQ, we answer the most common questions customers have about the brand, its ingredients, certifications, and product usage.
Is Optimum Nutrition Whey Protein Good?
Yes, Optimum Nutrition Gold Standard 100% Whey is one of the best-selling and most-reviewed whey proteins globally. It contains a blend of whey protein isolate (the primary source), concentrate, and peptides, delivering 24g of protein per serving with low sugar and fat. It's great for muscle recovery and lean muscle support.
Is Optimum Nutrition Creatine Good?
Optimum Nutrition Creatine Powder is micronised for better solubility and absorption. It’s 100% pure creatine monohydrate, trusted for improving strength, performance, and recovery during high-intensity training.
Is Optimum Nutrition Creatine NSF Certified?
No, Optimum Nutrition Creatine Powder is not NSF Certified for Sport. However, it is manufactured to high quality and purity standards in GMP-certified facilities.
Is Optimum Nutrition Halal?
While Optimum Nutrition does not officially label all their products as Halal, some whey proteins and supplements are made without non-halal ingredients. However, consumers seeking Halal-certified supplements should check product-specific labels or consult the manufacturer for verification.
Is Optimum Nutrition Lactose Free?
Most Optimum Nutrition products are not lactose-free. For example, their Gold Standard Whey contains whey concentrate, which includes lactose. However, those with mild lactose intolerance may tolerate the isolate-rich formula better.
Is Optimum Nutrition Whey Protein Safe During Pregnancy?
It’s best to consult a healthcare provider before taking any protein supplements during pregnancy. While the ingredients in Optimum Nutrition Whey are generally safe, pregnancy-specific nutritional needs should always be discussed with your doctor.
Does Optimum Nutrition Come with a Scoop?
Yes, every tub of protein, creatine, or pre-workout comes with a scoop inside for accurate serving size. If the scoop has sunk, shake the tub gently or use a clean utensil to find it.
Does Optimum Nutrition Contain Heavy Metals?
Like most quality supplements, Optimum Nutrition products are tested for contaminants including heavy metals and meet regulatory standards for safety. The brand is known for its strict quality control and transparent manufacturing practices.
How Long Does Optimum Nutrition Pre-Workout Last?
Gold Standard Pre-Workout effects typically last 2–3 hours depending on your sensitivity to caffeine. It's best taken 15–30 minutes before your workout.
How Many Scoops of Optimum Nutrition Whey Should I Take?
1 scoop (around 30g) of Gold Standard Whey per serving is typical. Depending on your protein needs, you may take 1–2 servings per day.
How Many Servings Are in Optimum Nutrition Serious Mass?
A 5.45kg tub of Serious Mass contains about 16 servings. Each serving provides over 1,200 calories and 50g of protein for serious weight gain.
How Much Optimum Nutrition Whey Should I Take?
This depends on your daily protein goal. Most people take 1–2 servings daily—usually post-workout and/or as a snack. Each scoop provides 24g of protein.
Is Optimum Nutrition Amino Energy Good for You?
Yes, Optimum Nutrition Amino Energy is a versatile supplement combining amino acids and caffeine from green tea and green coffee. It's low in calories and can be used as a pre-workout, intra-workout, or energy booster throughout the day.
Is Optimum Nutrition Good for Weight Loss?
Products like Gold Standard Whey and Amino Energy support fat loss when used as part of a calorie-controlled diet and exercise plan. They help maintain muscle mass and increase satiety.
Is Optimum Nutrition Pre-Workout Vegan?
No, most Optimum Nutrition pre-workouts, such as the Gold Standard Advanced and Platinum Pre-Workout, are not vegan due to the presence of animal-derived ingredients or flavourings.
Is Optimum Nutrition Vegan?
Optimum Nutrition does offer some vegan products, but most of their top sellers (e.g., whey protein, casein, Serious Mass) are not vegan. Always check the label for plant-based options.
Is Optimum Nutrition Vegetarian?
Yes, many of Optimum Nutrition’s products are suitable for vegetarians, including their whey and casein-based protein powders. However, always check individual labels to confirm.
Is Optimum Nutrition Whey Isolate or Concentrate?
Gold Standard Whey contains both whey isolate (as the primary source) and whey concentrate. This blend helps maximise protein content while keeping the texture and taste smooth.
Shop Optimum Nutrition at Nutrition Now
Whether you're after lean muscle support, better performance, or quality recovery supplements, Nutrition Now’s Optimum Nutrition collection has you covered. Browse the full range of protein powders, mass gainers, creatine, amino acids, and pre-workouts — all from one of the world’s most trusted brands in sports nutrition.