Did MuscleTech Nitro-Tech 100% Whey Gold, 6 → 5.53 lb tub shrink?

Size FactsDid it shrink? Yes
Before6 lb
After5.53 lb
−7.8%smaller
Price per lb · if the price stayed the same+8.5%Hypothetical: the size cut alone. The source recorded no shelf prices.

How big a cut? The 64th-largest of 68 documented health & supplements cuts; a bigger cut than 19% of all 1,366 cases in the library. See the biggest cuts →

When
2025
Country
United States
Brand
MuscleTech
Category
Health & Supplements
Source
dsld.od.nih.gov

Barcode (UPC): 631656710519 · Barcode lookup

Source and evidence

NIH Dietary Supplement Label Database — labels 79237 → 321542 (UPC 631656710519) dsld.od.nih.gov

Source fetched 2026-10-24. All 22 NIH Dietary Supplement Label Database cases.

Two label versions in the NIH Dietary Supplement Label Database carry the same UPC (631656710519): label 79237 (dsld.od.nih.gov) lists 6 lb, the newer label 321542 (dsld.od.nih.gov) lists 5.53, with the same serving size. Year = when the newer label entered DSLD. No shelf prices in DSLD. French Vanilla Creme, same scoop: 83 servings became 77 (2.72 kg → 2.51 kg).

Evidence
Typelabel archive (NIH Dietary Supplement Label Database: two label versions with the same UPC)
Confidencemedium

Check the math in the calculator.

Against official inflation: BLS CPI-U (US) “nonprescription drugs” changed −1.2% (2025 average vs 2024, same 11 months, a broad match for this category). The size cut alone raises the price per pound by +8.5% if the shelf price stayed the same (the source recorded no prices). Every case is compared the same way in the ShrinkRadar Index.

What the source says

“DSLD label 79237: MuscleTech Performance Series Nitro Tech 100% Whey Gold French Vanilla Creme, UPC 6 31656 71051 9, net contents 6 lbs / 2.72 kg, serving size 33 Gram(s) → DSLD label 321542: MuscleTech Performance Series Nitro Tech 100% Whey Gold French Vanilla Creme, UPC 6 31656 71051 9, net contents 5.53 Pound(s) / 2.51 kg, serving size 33 Gram(s)”

More from the US: the US Shrinkflation Tracker has all 296 documented cases, sortable and filterable.

Topic guide: protein powder shrinkflation, every documented case in one place, brand by brand. Also: vitamin shrinkflation.

More from MuscleTech

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Cite this case

ShrinkRadar, “Did MuscleTech Nitro-Tech 100% Whey Gold, 6 → 5.53 lb tub shrink? 6 lb → 5.53 lb”, https://shrinkradar.com/cases/muscletech-nitro-tech-100-whey-gold-6-5-53-lb-tub-us-2025.html, accessed 2026-11-05. Original source: NIH Dietary Supplement Label Database — labels 79237 → 321542 (UPC 631656710519) (https://dsld.od.nih.gov/label/321542).

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