Collection: Optimum Nutrition

Optimum Nutrition Singapore (2026) — Gold Standard Whey, Isolate & More

Optimum Nutrition (ON) is the world's best-selling sports nutrition brand, and Ultimate Sup is an authorised Singapore retailer stocking the full range — from the iconic Gold Standard 100% Whey to Serious Mass, Gold Standard Isolate, Micronized Creatine and Amino Energy. Every tub is 100% authentic, fully sealed, imported directly and dispatched from our Singapore warehouse with fast local delivery. Browse the complete ON lineup below.

Which Optimum Nutrition Product Is Right for You?

Why Buy Optimum Nutrition from Ultimate Sup in Singapore?

• Authorised retailer, 100% authentic — fully sealed tubs imported directly, never grey-market.
• Fast Singapore delivery — dispatched from our local SG warehouse, not shipped from overseas.
• Full range in stock — Gold Standard Whey, Isolate, Hydro Whey, Casein, Serious Mass, Pro Gainer, Creatine, Amino Energy, Opti-Men and value combos.
• Bundle & save — exclusive ON + BlenderBottle and protein + amino combos.

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Frequently Asked Questions

Is Optimum Nutrition available in Singapore?
Yes. Ultimate Sup is an authorised Singapore retailer stocking the full Optimum Nutrition range with 100% authentic products and fast local delivery from our SG warehouse.

What is the difference between ON Gold Standard Whey and Gold Standard Isolate?
Gold Standard 100% Whey is a blend (isolate, concentrate and hydrolysed peptides) ideal for everyday use. Gold Standard Isolate uses whey isolate as the primary source with lower carbs and fat — better for cutting or lactose sensitivity.

Which Optimum Nutrition product is best for weight gain?
Serious Mass and Pro Gainer are ON's high-calorie weight gainers, designed for hardgainers who struggle to eat enough to grow.

Is Optimum Nutrition Gold Standard Whey Halal certified?
The standard Gold Standard line is not Halal certified as of 2026. Customers seeking certified options should check the product label or contact us for current alternatives.

Buy Optimum Nutrition in Singapore — 100% Authentic ON Supplements

Optimum Nutrition (ON) is one of the most recognized and trusted sports nutrition brands globally, setting the industry benchmark for purity, mixability, and proven athletic performance for over 35 years. In Singapore, dedicated lifters, endurance athletes, and fitness enthusiasts rely on Optimum Nutrition supplements to hit daily macronutrient targets, accelerate muscle recovery, and maximize workout intensity. Ultimate Sup is an authorized Singapore stockist offering authentic, freshly imported Optimum Nutrition products with fast, reliable local delivery.

Best-Selling Optimum Nutrition Products in Singapore

Whether you are packing on lean muscle, cutting body fat, or fueling high-volume gym sessions in Singapore, Optimum Nutrition offers specialized formulations tailored to your fitness goals:

1. Optimum Nutrition Gold Standard 100% Whey: The world's best-selling whey protein powder delivers 24g of blended whey isolate and whey concentrate per scoop with 5.5g of naturally occurring BCAAs. Available from S$52.30 to S$280.70 across versatile sizes (1 lb to 10 lbs) and iconic flavors like Double Rich Chocolate and Vanilla Ice Cream.
2. Optimum Nutrition Micronized Creatine Powder: Pure, unflavored Creapure micronized creatine monohydrate that dissolves seamlessly into water or your post-workout shake without settling. Priced from S$35.80 to S$127.30 (60 to 240 servings) to support explosive strength, power output, and intracellular hydration.
3. Optimum Nutrition Essential Amino Energy: Combining 5g of free-form amino acids with 100mg of natural caffeine from green tea and coffee bean extracts, this versatile powder provides clean morning focus or intra-workout stamina from S$31.36 to S$37.10.
4. Optimum Nutrition Serious Mass: Formulated for hardgainers struggling to hit caloric surpluses in Singapore, providing 1,250 calories and 50g of muscle-building protein per serving from S$73.99.

Explore our broader whey protein collection and creatine supplements to discover complementary formulas for your training regimen.

Why Buy Optimum Nutrition from Ultimate Sup Singapore?

Imported dairy proteins and sports supplements require strict temperature and moisture monitoring. In Singapore's equatorial heat, improper freight transit or non-climate-controlled storage can ruin protein mixability and degrade active nutrients. At Ultimate Sup: - 100% Authentic Batches: Direct authorized sourcing ensures verified manufacturer security seals and transparent expiry dates on every tub. - Express Islandwide Delivery: Fast Singapore warehouse fulfillment delivers your order directly to your doorstep in 1 to 3 working days. - Transparent SGD Pricing: Competitive local pricing starting from S$31.36 with zero hidden international transit or conversion fees.

Frequently Asked Questions

Where can I buy authentic Optimum Nutrition supplements in Singapore?

You can buy 100% authentic Optimum Nutrition supplements directly from Ultimate Sup Singapore online. All tubs, powders, and capsules are sourced from authorized international distributors and stored in climate-controlled facilities, guaranteeing verified freshness and fast delivery across Singapore.

What is the difference between ON Gold Standard Whey and Hydro Whey?

Optimum Nutrition Gold Standard 100% Whey combines whey protein isolate with ultra-filtered whey concentrate for balanced everyday muscle recovery. Platinum Hydro Whey is made exclusively with hydrolyzed whey protein isolates broken down into smaller peptide fractions for rapid digestion, ideal for elite athletes seeking lightning-fast post-workout amino absorption.

How do I verify that my Optimum Nutrition tub is genuine?

Authentic Optimum Nutrition tubs feature an embossed gold tamper-evident neck band, a pristine lot code with expiry date printed on the container base, and a vacuum-sealed protective inner lid barrier under the cap. Purchasing from trusted local retailers like Ultimate Sup guarantees authentic, unadulterated stock.

Does Ultimate Sup offer free shipping on Optimum Nutrition orders in Singapore?

Yes, Ultimate Sup offers free standard delivery throughout Singapore on all qualifying supplement orders. Fast courier delivery covers all residential and commercial addresses from Jurong and Tampines to Woodlands and Orchard.