What’s the Best Protein Powder for Me?

Are you interested in building muscle mass but looking for a clean protein powder that can help you meet your needs? A recent publication from Consumer Reports has addressed the issue of heavy metal contaminants (such as lead and arsenic) in protein powder, adding more to the confusion.

We will give a review of top picks, touch on the recent heavy metal contaminant report, and offer guidance on how different protein types support muscle growth and when/how much protein tends to be most effective.

Unlike prescription and over-the-counter drugs, the Food and Drug Administration doesn’t review, approve, or test supplements like protein powders before they are sold. Federal regulations also don’t generally require supplement makers to prove their products are safe, and there are no federal limits for the amount of heavy metals they can contain. Read more about heavy metals in protein powders.

The Clean Label Project found that nearly half of the tested protein powders exceeded limits for heavy metals. Plant-based and chocolate-flavored powders tended to have higher contaminant levels. Choosing products with third-party certification or lab testing is wise.

Recommendations for Clean Label Protein Powder as tested by the Clean Label Project:

Clean Label Project has a complete list of their tested products and recommendations. Here are a few of their top picks:

Isopure: Zero Carb Protein: Unflavored
Puori: PW1 Protein: Bourbon Vanilla
Body Fortress: Super Advanced Whey Protein: Vanilla
Vital Proteins: Collagen Peptides: Unflavored
GNC: Pro Performance 100% Whey: Banana Cream

Choose a protein powder with minimal ingredients that are clearly listed on the label and are independently tested for contaminants.

Protein Types & Muscle-Building Mechanics

Whey Protein: Rich in all essential amino acids and found in dairy products, whey protein is recommended due to its high digestibility. Available as concentrate (some fat/carbs), isolate (90%+ protein, low fat), or hydrolysate (pre-digested for faster absorption).

Plant-Based Blends: Combining proteins like rice and pea helps fill in amino acid gaps, yielding a profile close to animal proteins. This is a great solution for people following a plant-based diet where they may find it difficult to meet their protein needs.

Collagen: It is not as effective as a primary protein source due to its lack of amino acids. It does not directly drive muscle protein synthesis like whey, but it does help build connective tissue (tendons/ligaments), improve recovery, reduce joint pain, and support strength in older adults.

Other Unique Proteins: Examples include fish hydrolysates or fermentation-based whey alternatives (e.g., Perfect Day), though these are more niche.

How Much Protein to Build Muscle & Timing Tips

Protein powders should be a supplement – meaning always try to get protein from food first. There are many people who might benefit from protein powders, such as those with reduced appetite due to illness or being on appetite-suppressing medications, such as GLP-1s.

Daily Needs for Strength & Muscle Support

General guidelines: 0.8-1.0 g/kg body weight per day for individuals (which some argue is too low)
For muscle gain: 1.2–1.6 g/kg/day for active individuals, although some reports state as much as 2.2g/kg/day
Exceeding 2 g/kg/day is usually unnecessary and should be guided by a professional

100g of Protein Per Day Per-Meal Strategy: For 100g of protein per day – Aim for about 15-20 g at breakfast and 30-40 g at both lunch and dinner. Add in more snacks to meet your goal.

Post-Exercise Protein: Consuming 0.25–0.3 g/kg within two hours post-workout helps muscle growth

Timing vs Total Intake: Research shows total daily protein intake matters more than exact timing, though post-workout intake offers small additional benefits, but usually those are just for the first two months of starting a strength training program.

Recipes

Browse out our website for some protein-packed recipes, but here’s one of our morning/snack favorites, Protein Packed Lemon Blueberry Oatmeal Cups.