Optimum Nutrition·Weight Gain

Gold Standard Pro Gainer

Moderate Calorie
Regular price $263.95

Try a new flavour, worry-free. If you don't love it, we'll swap it for another flavour or give you store credit.

30 days, up to 5 serves. Full terms

A HIGH-PROTEIN WEIGHT GAINER FORMULATED TO SUPPORT MUSCLE GROWTH AND RECOVERY

  • 650 calories per serve with 60g protein and 80g+ carbs
  • Multi-source protein blend for a full amino acid profile
  • Fortified with 20 vitamins and minerals for overall wellness
  • Instantized for easy mixing and smooth texture

Pickup available at Booty N Buff Caringbah

Usually ready in 1 hour

🚚
FREE SHIPPINGOn orders $150+
⏱
SAME DAY DISPATCHOrders before 2pm
↩️
HASSLE-FREE RETURNS60 days

Earn up to 239 loyalty points with BNB Rewards

Gold Standard Pro Gainer

Product details

On this page

    Optimum Nutrition's Gold Standard Pro Gainer is a high-protein weight gain formula designed to support muscle building and recovery. Each serving delivers 650 calories, combining 60 grams of premium protein with 81–82 grams of carbohydrates to help replenish energy levels post-workout or between meals. The protein blend includes whey protein isolate, whey protein concentrate, calcium caseinate, and hydrolyzed whey protein, providing a comprehensive amino acid profile for muscle support. 

    In addition to macronutrients, Gold Standard Pro Gainer is fortified with 20 vitamins and minerals, including iron, calcium, potassium, and vitamins C and E, to support overall health and performance. The formula is instantized for easy mixing, making it convenient to prepare with a blender, shaker, or spoon.

    Available in flavors like Double Chocolate and Vanilla Custard, Gold Standard Pro Gainer offers a tasty and effective way to increase caloric intake and support muscle growth goals.

    Nutrition panel

    Taken from the label on the tub. Flavours can differ slightly. Open full size

    Optimum Nutrition Gold Standard Pro Gainer nutrition information panel nutrition panel

    How to use

    Mix 1 scoop with 650 ml of cold water or milk using a shaker cup post-workout and/or between meals to add calories, carbs and protein to your healthy, balanced diet

    Warnings

    Please ensure that this product is kept out of reach of children and not used if the seal is broken. After use, replace the lid promptly and avoid using a wet spoon or scoop. Store in a cool and dry place below 30 degrees Celsius, away from heat or moisture, and keep out of direct sunlight.

    Please note that this is a formulated supplementary sports food and is not suitable for children under the age of 15, pregnant or nursing women, and should only be used under medical or dietetic supervision. Prior to consuming this product, please consult with a licensed healthcare professional. This should not be the sole source of nutrition and should be consumed in combination with a nutritious diet and/or a suitable physical training or exercise program. Do not exceed the recommended daily serving size and discontinue use immediately if any adverse effects are experienced.

    Gold Standard Pro Gainer is covered · Love the Taste Guarantee

    Love the taste. Or swap it.

    Try up to 5 serves of Gold Standard Pro Gainer within 30 days. If you don't love the flavour, bring it back and we'll swap it for another flavour, or give you store credit.

    How it works Flavoured powders · Conditions apply

    More Mass Gainers · 12 products

    The Mass Gainers line-up

    10+ years · Caringbah, SydneyMichael, Raquel and Jonathon, the Booty N Buff teamThe Booty N Buff shopfront on the Kingsway, Caringbah

    Pick up your order in store

    Real people. Real advice.

    Order online, pick up in Caringbah in Sydney's south, usually ready within the hour. Michael, Raquel and Jonathon run the shop: ten years of supplement advice, in person, no pressure.

    • Come say hiShop 5/350 Kingsway Caringbah NSW 2229
    • Opening hoursMon to Fri 9am to 7pm Sat and Sun 9am to 5pm

    The Booty N Buff app

    Train, eat and supplement. One app.

    Your training plan, meal plan and supplement stack in one place. Free to download.