Our cows are grass-fed year-round, and raised without growth hormones like rBGH or rBST. Plant-based protein powders contain arsenic, mercury, cadmium, lead and ... As humans age, our collagen levels tend to drop, resulting in wrinkles, stiffening joints and tendons, weakening muscles and joint pain. Orgain Organic Protein Powder Review: Pros, Cons, and More When comparing the heavy metals found in Sunwarrior protein powders to real, whole vegetables and fruits, the Cadmium found in Sunwarrior is 76% less than a cup of spinach, the Lead found in . Collagen powders, whey protein powders, and plant-based protein powders to name a few are all subject to this scrutiny of heavy metals. Not to mention Bisphenol A (BPA), a toxin found in some plastic containers depending on that brand's packaging. Do pea/plant-based protein powders contain more heavy metals than whey ... Bottom 5 powders. Now that you know the basics, read on for the best whey protein powders. By comparison, a 5-ounce container of plain, nonfat Greek yogurt has around 17 grams of protein, and 3.5 ounces of chicken breast has 31 grams. Some protein drinks can even pose health risks, including exposure to potentially harmful heavy metals, if consumed frequently. When it comes to protein powders, consumers are looking for clean protein to complement their already healthy lifestyle choices. Each serving includes 25 grams of protein and 5.9 grams of branched-chain amino acids (BCAAs). Think again. Protein needs range from 0.4 to 0.6 grams of protein . What they found was alarming. That means that the majority of our exposure to heavy metals, at least through plant based foods, is not usually considered harmful unless at extremely high levels consumed over a long period of time. However, there are serious limitations to this data, and once it's compared to the levels of heavy metals in other food, it's clear that most vegan protein powders have a safe . In fact, one study found 40% of 133 protein powder products tested had elevated levels of heavy metals [3] Bandara .