Coffee lovers are constantly experimenting with new ways to upgrade their morning brew. The latest trend? Adding protein—often in the form of protein powder or collagen peptides—directly to coffee. The viral drink, sometimes called “proffee” (protein coffee), has exploded across social media and wellness communities as people look for ways to combine their caffeine boost with a quick nutritional upgrade. The idea is simple: mix brewed coffee with a scoop of protein powder, collagen, or even a ready-to-drink protein shake to create a beverage that delivers both energy and nutrients in one cup.

The trend gained popularity partly because it fits perfectly into busy morning routines. Instead of drinking coffee and eating breakfast separately, many people blend the two together. A typical serving of protein coffee can provide 10–20 grams of protein, depending on the ingredient used, which may help support muscle recovery and keep you feeling fuller for longer. Common options include whey protein, plant-based protein powders like pea or soy, and collagen peptides that dissolve easily into hot drinks.

Another reason protein coffee has taken off is the broader “functional coffee” movement. Today’s coffee drinkers are adding everything from adaptogens and mushroom extracts to collagen and protein powders to enhance their daily cup. What once involved just sugar and cream has evolved into a kind of wellness experiment, especially among younger consumers who want drinks that support fitness goals or overall health.

But nutrition experts say protein coffee isn’t necessarily a miracle drink. While adding protein can help balance blood sugar levels and reduce mid-morning hunger, it doesn’t replace a balanced meal. Some versions also contain added sweeteners, syrups, or flavored protein powders that increase calories and sugar. In addition, certain protein powders can clump or change the taste and texture of hot coffee if not blended properly.

So, is protein coffee worth trying? For many people, it can be a convenient way to boost protein intake—especially after workouts or on busy mornings. However, experts generally recommend treating it as a supplement rather than a substitute for whole foods. In the end, protein coffee is less of a revolutionary health hack and more of a creative twist on a classic beverage. If you enjoy experimenting with your coffee routine, it might just be a trend worth sipping—at least once.