Editor's Choice
Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)
$144.99

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fitness★ 4.5(1,529)on AmazonAmazon’s Choice

Optimum Nutrition Gold Standard Pro Gainer

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)

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The Optimum Nutrition Gold Standard Pro Gainer was $144.99 when we checked it on 2026-10-12. That is the median of the 18 prices we have recorded for it. Best for: Hard gainers trying to put on size

Putting on size requires a balance of heavy training and quality nutrition. Because everyone's a little different, some have a harder time packing on muscle than others. Optimum Nutrition Gold Standard Pro Gainer is a high-protein formula delivering calories that count during recovery. Each shake provides ample supplemental protein, carbs, vitamins and minerals to build on the amount you're getting through a balanced diet of food. Use Pro Gainer as your post-workout recovery shake and/or high-protein meal between meals.

Editor's note

A weight gainer with a high protein-to-carb ratio, which is the version you actually want. For hard gainers, the calories add up fast.

Why we picked it

Best for: Hard gainers trying to put on size

650 calories and 60g of protein per serving make this a true mass gainer, not just another protein scoop.

What we like

  • + 650 calories per serving for adding size
  • + 60g protein per serving
  • + Over 80g carbs to fuel mass gains

Watch outs

  • - Far too calorie-dense for cutting
  • - Highest price of the three
Read our full Best Protein Powders →

Optimum Nutrition Gold Standard Pro Gainer price history

18 weekly checks of our own, from 2026-06-24 to 2026-10-12. Plus 1 monthly point from 2026-06-01, dated before 2026-06-24, bought from a commercial price-history API rather than checked by us. How our price tracking works

$144.99$94.40
Typical
Jun 1Jul 4Aug 6Sep 8Oct 12

Lowest

$94.40

Jun 25, 2026

Typical

$144.99

median of 18 weekly checks

Highest

$144.99

Jul 27, 2026

Latest

$144.99

checked Oct 12, 2026

18 weekly checks of ours1 monthly point dated before 2026-06-24, bought from a commercial price-history API

Typical price is the median of the 18 weekly checks we have taken, not the manufacturer list price. Every discount figure on this site is measured against it.

Every observation (19)
DatePriceSource
Jun 1, 2026$117.99Monthly backfill
Jun 24, 2026$117.99Weekly check
Jun 25, 2026$94.40Weekly check
Jun 29, 2026$94.40Weekly check
Jul 6, 2026$94.40Weekly check
Jul 13, 2026$127.99Weekly check
Jul 20, 2026$133.20Weekly check
Jul 27, 2026$144.99Weekly check
Aug 3, 2026$144.99Weekly check
Aug 10, 2026$117.99Weekly check
Aug 17, 2026$144.99Weekly check
Aug 24, 2026$144.99Weekly check
Aug 31, 2026$144.99Weekly check
Sep 7, 2026$144.99Weekly check
Sep 14, 2026$144.99Weekly check
Sep 21, 2026$144.99Weekly check
Oct 1, 2026$144.99Weekly check
Oct 5, 2026$144.99Weekly check
Oct 12, 2026$144.99Weekly check

About this item

  • High Protein Weight Gainer and Muscle Mass Gainer*
  • 650 CALORIES PER SERVING - delivering calories that count to support your gains
  • 60G OF PROTEIN BLEND PER SERVING- support your mass gaining goals with high-quality protein
  • MORE THAN 80G OF CARBOHYDRATES PER SERVING - help restore energy levels
  • LESS THAN 8g OF SUGAR PER SERVING

Details

Product Dimensions
5.91 x 11.42 x 16.93 inches; 10.19 pounds
Item model number
1077769

Optimum Nutrition Gold Standard Pro Gainer: common questions

Is the Optimum Nutrition Gold Standard Pro Gainer worth it?

A weight gainer with a high protein-to-carb ratio, which is the version you actually want. For hard gainers, the calories add up fast. Its Amazon listing shows 4.5 out of 5 stars across 1,529 ratings, which is the retailer's figure and not our verdict.

How much does the Optimum Nutrition Gold Standard Pro Gainer cost?

The Optimum Nutrition Gold Standard Pro Gainer was $144.99 when we checked it on 2026-10-12. Prices change often, so the live retailer link carries the current number.

Is now a good time to buy the Optimum Nutrition Gold Standard Pro Gainer?

At $144.99 the Optimum Nutrition Gold Standard Pro Gainer is near the median of the 18 prices we have recorded for it. The lowest we have seen is $94.40 on 2026-06-25, so waiting for a repeat of that would save roughly $50.59.

What is the lowest price the Optimum Nutrition Gold Standard Pro Gainer has been?

The lowest price on our record for the Optimum Nutrition Gold Standard Pro Gainer is $94.40 on 2026-06-25, and the highest is $144.99 on 2026-07-27. That record is 18 weekly checks we took ourselves plus 1 monthly point dated before 2026-06-24, which came from a commercial price-history API rather than from us.

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$144.99 observed

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