Home › Protein Shakes (RTD) › Kirkland Signature › Kirkland Signature Protein Shakes
Latest four-week snapshot through 2026-08-13 · 2 waves. Use the controls above to change the window.
Protein Shakes (RTD) · 2 waves · n=144 answers, pooled
How often each assistant brings the brand up in recommendation answers.
| assistant | share of voice | answers |
|---|---|---|
| ChatGPT | 0% | 0 of 48 |
| Claude | 0% | 0 of 48 |
| Gemini | 8% | 4 of 48 |
Wave-by-wave share of recommendation answers that named this brand.
| wave | share of voice | answers | change |
|---|---|---|---|
| 2026-07-28 | 3% | 2 of 72 | |
| 2026-08-13 | 3% | 2 of 72 | +0 points |
Recurring descriptions in the assistants' own words, grouped by theme.
“If you love the convenience and nutritional profile of Premier Protein (30g protein, ~160 calories, and only 1g of sugar), but want to lower your grocery bill, you have several excellent options.”
“If you are looking for cheaper alternatives to Muscle Milk, the best options depend on whether you prefer **Ready-to-Drink (RTD) bottled shakes** (which have the highest markup) or **protein powders** that you mix yourself (the most cost-effective route).”
“These offer nearly identical nutritional profiles (30g protein, 160 calories, 1g sugar) but at a fraction of the cost.”
“Formulated with milk protein, it has a smooth, chocolate-milk-like texture similar to Fairlife but at a fraction of the price.”
“If you have a Costco or Sam’s Club membership, their private-label shakes offer the absolute best price-to-protein ratio on the market:”
“If you love the nutritional profile of Premier Protein (typically **30g protein, 160 calories, and 1g of sugar**) but want to save money, there are several excellent cheaper alternatives.”
“Store Brands (The Absolute Cheapest)”
“Critics note it is highly comparable to more expensive brands like Fairlife and Premier Protein.”
“It is essentially a generic, budget-friendly clone of Premier Protein.”
“* **Estimated Cost:** Extremely cheap when bought in bulk, working out to around $1.”
13 exact quoted mentions in this snapshot, grouped by coded tone.
“Released as a direct competitor to Premier Protein, Kirkland's version uses milk protein to hit a solid 30g of protein for barely over a dollar.”
“Costco offers a highly competitive RTD shake that tastes great and dramatically undercuts the price of brand-name competitors.”
“Costco has disrupted the market with its own Kirkland Signature chocolate protein shakes, matching the exact formula of 30g protein, 160 calories, and 1g sugar.”
“~$30 CAD / ~$22 USD for an 18-pack (~$1.22–$1.66 per shake)”
“Costco has introduced its own Kirkland ready-to-drink shakes. They feature 30g of milk protein, 160 calories, and 1g of sugar.”
“Highly rated for flavor and a direct competitor to high-end brands like Fairlife, though clean-eating advocates note that it uses canola oil as a thickener (a common practice, though some prefer Premier's use of sunflower oil).”
Which competitors assistants suggest when shoppers ask for something cheaper.
8 of 13 mentions appear alongside an identifiable web citation. Citation does not establish causation.
| cited source | mentions |
|---|---|
| stack3d.com | 4 |
| youtube.com | 2 |
| dailyhive.com | 1 |
| facebook.com | 1 |
Stores and sites assistants name as places to buy this brand.
| retailer | mentions |
|---|---|
| Costco | 13 |
Method: fixed shopper questions asked repeatedly to Claude, OpenAI GPT and Gemini with web search on. Shares are the percentage of recommendation answers mentioning the brand. Quotes are AI outputs; full transcripts are kept as receipts.