WheyProofQuiz

Black Friday 2026: which supplement deals are real?

Crossed-out prices will be everywhere this Black Friday. We check every one against the product's lowest price in the 30 days before the sale started: what it actually sold for, not what the store says it used to cost.

Black Friday
Friday, November 27
Cyber Monday
Monday, November 30

Where things stand today

61 / 353

Of the products US stores show with a crossed-out price, and whose price history we can judge, this many are really cheaper: today's price is below the lowest price of the 30 days before the sale started.

Same price for a month
260
The price hasn't changed in over 30 days, yet a crossed-out "was" price is still shown.
Not cheaper
32
Sold at today's price or less in the 30 days before the sale.
Not counted
185
Not enough of our own price checks in the 30 days before the sale (we need at least 7 different days).

Last measured October 28 at 10:44 AM EDT. How we collect prices: how it works. What we found in October: are supplement sales real?

Really cheaper right now

Products below the lowest price of the 30 days before their sale, biggest real drop first. Open the price history to see it for yourself or add the product to your watchlist.

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Questions

When is Black Friday 2026?

Friday, November 27, the day after Thanksgiving. Cyber Monday follows on Monday, November 30. Many stores start their sales several days early and run them through the weekend.

How can I tell if a discount is real?

Look at what the product actually sold for recently, not at the crossed-out price. This page compares today's price with the lowest price in the 30 days before the sale started; that is the rule EU law sets for "was" prices, and we apply it to every store we track. Our product pages show the full price history.

Do discount codes count?

No. We measure the price shown on the store's product page; coupon codes and cart deals can take more off.

How is this different from the "Real discount" label on the site?

The label on product cards uses a looser rule: it compares today's price with the usual price we saw on at least 7 different days in the last 30. This page uses the stricter 30-day-low test.

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