What’s inside this formula?
Optimum Nutrition’s Gold Standard Pro Gainer — Double Chocolate is listed here in the weight gainers collection. This article looks at the selected Powder pack, then puts its ingredients into context.
The photographed label lists 650 calories and 60 g protein per serving. The manufacturer also lists 82 g carbohydrate.
Check the original label ↗These powders combine substantial carbohydrate and protein in a concentrated serving. Their suitability depends on energy needs, ordinary meals and training; the product name is not a guaranteed outcome.
The pack details above come from the manufacturer. Ingredient research below does not establish the effects of this exact product or independently verify its contents.
What the serving contains
The photographed label lists 650 calories and 60 g protein per serving. The manufacturer also lists 82 g carbohydrate. The serving is a comparison unit, not a personal intake recommendation.
More protein is only part of the serving
This is a calorie-dense weight-gainer powder. Its serving should be compared with other gainers using calories, carbohydrate and protein together.
Suitability and evidence limits
Check the complete milk and other allergen declarations. Review suitability for medically prescribed calorie, carbohydrate or protein limits. Ingredient research does not prove outcomes from this exact branded formula.
Match the regional label
This record covers the named flavour and regional formula. Pack sizes and packaging can change. Match ingredients and serving figures before buying; an Indian retail offer and delivered price have not been verified.
Where might it be useful?
Label-based comparison
The product profile records the labelled serving and composition so that portions can be compared.
What the research can — and cannot — tell us
This category context does not establish a clinical benefit or a trial of the exact finished formula. Product-specific facts come from the linked label.
What deserves your attention?
Check the complete milk and other allergen declarations. Review suitability for medically prescribed calorie, carbohydrate or protein limits.
Suitability comes before strength
Large servings can add considerable energy. Check allergens and serving size, and discuss suitability if managing blood glucose or a prescribed diet.
Dietary details for this product
Dietary status not confirmed The reviewed sources do not establish whole-formula vegan or vegetarian suitability.
A dietary label and an allergy assessment answer different questions. Check every ingredient, the capsule or softgel materials and the allergen statement on the pack you receive. If you take medicines, have a health condition, are pregnant or are choosing for a child, discuss the full formula with a qualified clinician.
Make the comparison meaningful.
- Match the exact version.Look for Optimum Nutrition · Gold Standard Pro Gainer — Double Chocolate and the Powder pack. A similar name or bottle can contain a different strength, blend or serving.
- Compare like with like.Read the serving size alongside the active ingredient amount. Capsule count, compound weight and total blend weight can describe different things. Use the label notes above to see what matters for this formula.
- Check the seller and final cost.Review seller identity, expiry, batch details and any Indian import information. Compare the final delivered price only after matching the formula. Prices and stock are checked on the retailer’s site.
Keep the label beside the decision.
Open the complete product profile for its source, dietary notes and available shopping destination.
Is this an endorsement or a medical recommendation?
No. This is an editorial guide to a selected product and its ingredient context. We have not independently tested this bottle or established a clinical benefit for this exact formula. A product’s inclusion is not a recommendation that everyone should take it.
Does Proof & Price earn from shopping links?
Some product-profile links are paid links and are labelled. As an Amazon Associate we earn from qualifying purchases. Manufacturer source links are provided for checking the label. Read our affiliate disclosure.
Read, check, decide.
Product label reviewed 2026-10-27. Ingredient context reviewed 2026-10-27. This article has not received independent clinical review. Packaging and formulas can change; the current pack takes precedence.

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