When you don’t have time to cook and you’re trying to eat healthy and consume protein, protein shakes are one of the most popular supplements on the market today. 

From fitness enthusiasts to busy parents looking for a quick breakfast, millions of people rely on them every day to hit their nutrition goals.

But not all protein powders are created equal—and recent reports suggest that some might be doing more harm than good.

A new investigation from Consumer Reports found that several popular protein powders contain potentially dangerous levels of heavy metals like lead, arsenic, and cadmium. These substances can build up in the body over time and may cause health problems ranging from fatigue and digestive issues to more serious concerns affecting the kidneys and nervous system.

It’s unsettling news for anyone who tries to make healthy choices but may unknowingly be adding toxins to their daily routine.

Protein supplements are often marketed as “clean,” “natural,” or “pure,” but in reality, some are heavily processed and made with low-quality ingredients. Many brands use fillers, artificial sweeteners, gums, or flavoring agents to improve texture and taste. Depending on how the ingredients are sourced or processed, contaminants can sneak in along the way.

That’s one reason why I’ve been loyal to Ascent Protein for the last seven or eight years. It has just a few simple ingredients, no artificial flavors or colors, and is one of the cleanest proteins on the market. It’s also the official protein of the U.S. Weightlifting Team, which speaks to its quality and safety.

When you’re putting something in your body every single day, quality matters. I always tell members at No Excuses CrossFit that your nutrition is an investment in your long-term health, not just your performance. Saving a few dollars on a cheaper supplement might cost you much more in the long run.

If you’re using protein powder, take a minute to check the label and research the brand. Look for third-party testing certifications such as NSF Certified for Sport or Informed Choice, which ensure that what’s on the label is actually what’s in the container—and nothing more.

And remember, you can always get plenty of protein from real food sources like eggs, chicken, fish, Greek yogurt, and beans. Shakes are meant to supplement your diet, not replace it.

At the end of the day, a good protein powder can be a convenient tool for recovery and muscle repair—but a bad one can quietly undermine your health goals.

So read your labels, do your research, and when in doubt, keep it simple. The fewer ingredients, the better.