Best Whey Protein for Weight Loss 2024

Higher-protein diets have been promoted over the past 20 years for being an effective strategy to treat or prevent obesity through body weight control. Modulations in energy metabolism, appetite, and energy intake are thought to be partially responsible for these improvements.

How Protein Powder Helps in Weight Loss?

i. May Reduce Hunger and Appetite

Ghrelin is an orexigenic hormone that induces food intake by increasing hunger, and its plasma concentration is decreased by protein intake. Studies found that liquid preloads containing protein rather than glucose significantly suppressed ghrelin release.

In conclusion, dietary protein elevates GLP-1, CCK, and PYY levels, which are secreted in the gut and diminish appetite while also decreasing ghrelin levels, which increases appetite. Such changes in the release of satiety hormones constitute an important mechanism of HPD-induced weight loss. (Source)

ii. May Promote Lean Body Mass and Reduce Fat Mass

Protein shakes may temporarily boost your metabolism. It can also help you gain muscle, particularly if you follow it with strength exercise and a low-calorie diet. 

A study showed that consumption of a diet with higher protein was more effective than consumption of a diet with lower protein in promoting increases in lean body mass and losses of fat mass when combined with a high volume of resistance and anaerobic exercise. 

Whey Protein and Casein Protein Difference

Whey and casein are the two main milk derivatives available to those who want milk proteins. Let’s dig deeper, what’s the differences between these two types!

Whey vs Casein Protein
Whey is the “faster” protein because its amino acids are quickly absorbed by out body. As a result, it serves as a good source of protein for a pre- or post-workout snack. While casein is the “slower” protein since it’s digested more slowly. Therefore, people might choose to consume casein before fasting or sleeping.

Is Casein or Whey Better for Weight Loss?
A study compared weight loss diet with either whey or casein supplements on overweight men for 12 weeks, showed that those taking casein supplements lost an average of 8% of their body weight. Those taking whey lost an average of 4%.

However, another study showed no significant difference between whey and casein for weight loss, making them equally as good for weight loss.

Best Protein Powder for Weight Loss Male

A. Best Whey Protein Powder

1. Optimum Nutrition Gold Standard 100% Whey Protein Powder (Chocolate Peanut Butter)

Optimum Nutrition Gold Standard 100% Whey Protein Powder (Chocolate Peanut Butter)

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Whey Protein Isolates (WPI) are the purest form of whey protein that currently exists. By using WPI as the primary ingredient along with premium ultra-filtered whey protein concentrate (WPC) in Gold Standard 100% Whey, we’re able to pack 24 grams of protein into every serving to support your muscle building needs after training.

ON’s attention to detail extends to mixability. This superior quality powder instantly mixes using a shaker or a glass and spoon.

Whey Protein Isolate (WPI) Main Ingredient
– Over 4 Grams of Glutamine & Glutamic Acid in Each Serving
– 24g of Whey Protein
– 5.5g of Naturally Occurring BCAAs

4.7 out of 5 – more than 68,100 global ratings

Optimum Nutrition Gold Standard 100% Whey Protein Powder Reviews
Been using ON Whey Gold Standard a long with my work outs and exercise and it works awesome. I’ve only bought the Vanilla Ice Cream flavor, which I’ve used to mix in fruit, but I think I might try another flavor for my next purchase since I don’t mix in fruit often anymore. I noticed that after using this protein, my muscles have gotten more defined and I’ve lost a lot of body fat.

I’ve lost some weight too about 8 pounds but I’m more impressed with the muscle mass definition and loss of body fat. I’ve never taken Whey protein before consistently, I’ve tried Muscle Milk in the past but it didn’t do anything because it had so many calories and fat in it. ON Whey is the best for low calories, low fat and highest protein intake per serving. I recommend it!

2. Jocko Mölk Protein Powder (Chocolate Peanut Butter)

Jocko Mölk Protein Powder (Chocolate Peanut Butter)

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– Jocko Mölk
Designed and engineered with a time-release blend of whey concentrate, whey isolate, micellar casein, and egg. This whey isolate protein powder slowly digests in your system and fuels muscle growth and muscle recovery all day long.

– Amino Acids
Blended with a plethora of amino acids, the building blocks of protein, these necessary components help your body with building muscle and regulating immune function. Check out the amino acid profile on the bottle!

– Digestive Enzymes & Probiotics
With added digestive enzymes and probiotics to fuel growth and muscle recovery all day long, Mölk’s complex mix of digestive enzymes and probiotics keeps your gut in check and ensures everything moves smoothly.

– Grass-fed Protein, No Hormones or Soy
We’ve developed the best protein powder from four different types of protein: whey protein concentrate and isolate, casein, and egg. Our whey protein powder comes from happy, grass-fed cows and is soy- and hormone-free.

– Sugar Free Chocolate Peanut Butter Flavor
Get your protein shake without the unwanted sugar. Mölk is sweetened with monk fruit only. It has no added sugar, no artificial sweeteners, and no added flavors.

4.7 out of 5 – more than 4,750 global ratings

Jocko Mölk Protein Powder Reviews
In an effort to lose weight I have taken up a more intensive exercise regimen than I am accustomed to. One of my struggles is I enjoy food a little too much. A scoop of Jocko Raw Mölk in a shake in the morning easily carries me over until lunch. This product is helping me cut down on unhealthy snacking habits.

3. Body Fortress Whey Protein Powder (Chocolate)

Body Fortress Whey Protein Powder (Chocolate)

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Body Fortress Super Advanced Whey Protein Powder is the ideal post workout protein supplement, featuring 100% premium Whey enhanced with Creatine and other critical amino acids. This gluten free protein powder formula gives you the power to train harder and rebuild lean muscle faster, because tomorrow’s workout starts with today’s recovery.

– this chocolate protein powder is the ideal multi-functional formula for a pre or post workout recovery drink
– tasty chocolate protein shakes between meal
– muscle recovery protein drinks anytime

4.6 out of 5 – more than 14,450 global ratings

Body Fortress Whey Protein Powdere Reviews
I am not a body builder or fitness guru, but I have used quite a few different protein powders over the past 10 years. Body Fortress is my go-to for “everyday” protein powder. I usually pick it up at the local grocery store, but was excited to find it in the 5lb. size for so much cheaper on Amazon! I have used it for both muscle building and weight loss, and have had success in both areas.

My previous career required a lot of cardio and calisthenics rather than pure weight lifting, so this was the perfect thing just to build lean muscle, keep me full, and maintain my weight. It also doubles as the perfect meal replacement when I have added on a couple extra beer and burger pounds. The best part is, it mixes easily, and tastes delicious! I highly recommend for the beginning supplement taker, or the everyday maintenance and basic fitness person.

4. TGS 100% Whey Protein Powder Unflavored, Unsweetened, Keto Friendly

TGS 100% Whey Protein Powder Unflavored, Unsweetened, Keto Friendly

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– Pure Whey, Only 2.Ingredients
25g of protein. No added sugars, artificial sweeteners, fillers, artificial colors, flavors, additives or preservatives. Soy free, gluten free, stevia free, growth hormone free, GMO free. Made in the USA. Sourced only from US Farms. Our advanced micro-filtration system gently processes whey to prevent denaturing leaving high quality bioavailable undenatured whey protein concentrate. Great clean alternative to organic and grass fed whey protein powder.

– No Bad Aftertaste, Not Gritty, Grainy
Smooth, adds great consistency to smoothies. Mixes well. No clumps in a shaker cup. Each scoop contains 25 grams of protein, the full spectrum of all 9 essential amino acids. You get 5.4g of naturally occurring BCAA’s (branched chain amino acids) making it a great choice for post workout muscle recovery, building lean muscle, homemade meal replacement shakes and general fitness.

– Low Carb, Keto, Vegetarian Friendly
For MEN and WOMEN from fitness enthusiasts to bodybuilders looking to improve their overall fitness, build & maintain lean muscle or lose weight. Great for keto or other strict low carb diets. Our low calorie whey makes it great for weight loss plans and meal replacement shakes.

– Add Protein To Food, Cooking and Baking
Flavorless, Unsweetened whey is great for adding to oatmeal, cereal, yogurt, pancakes, breads, cookies, protein bars, and much more! Making home protein packed snacks has never been easier.

4.6 out of 5 – more than 2,950 global ratings

TGS 100% Whey Protein Powder Unflavored Reviews
Great product. So easy to mix!!! Used a fork and a glass and had two very small lumps and couldn’t believe it, especially for the price. Tried so many products including the ideal which doc recommends and the price is a lot higher and you have to have those flavors. This has no flavor. I like iced coffee machinato and can stay low carb with this. 

Make strong coffee, add some no cal caramel and vanilla coffee flavoring I get at Safeway and some cream and have a 120 calorie drink with zip low carbs. This is keeping me on my diet and I am finally losing weight without feeling deprived or hundry all the time. I really appreciate amazon letting you search using attributes.

B. Best Casein Protein Powder

5. Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder (Cookies and Cream)

Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder (Cookies and Cream)

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Faster digesting protein is desirable immediately before and after exercise to help refuel recovering muscles, but slow digestion and absorption may be more beneficial at other times including bedtime when your body typically goes for hours without food.

Casein products are acid sensitive and thicken in the stomach. Compared to some other proteins, it can take longer for our gold standard 100% casein to be broken down into its amino acid subcomponents. By using only premium micellar casein as a protein source, we’ve created a formula that sets the standard for slow digesting protein support.

4.7 out of 5 – more than 900 global ratings

Seeking Health Histamine Block Reviews
I started the Medifast program back in February. I only ordered the product and didn’t become a member. The program involves 5, 100 calorie meals, and a lean and green meal for dinner. This totals about 1300-1500 calories a day. When I completed my 30 day supply of medifast I searched for an alternative protein source. I ordered this product, which tastes great by the why. Each shake is only about 125 calories. I have 4 of these a day along with my Lean and Green dinner. My starting weight in February was 216 lbs. I am now 190 lbs. As far as exercise, I have 2 coonhounds that I walk for 40 minutes a day, 7 days a week.
I would recommend this product. Can’t wait to start my P90x program again. By the way, I have only lost fat, not muscle with this product.

6. Dymatize Elite Casein Protein Powder (Vanilla)

Dymatize Elite Casein Protein Powder (Vanilla)

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Dymatize Elite Casein provides 25 grams of slow digesting Casein protein per serving. Dymatize 100% Casein is specifically designed to digest more slowly in your body than other rapid release protein sources, such as whey. This slow digestion is a result of the natural pH sensitivity of Casein protein in the digestive track.

Because of the natural thickening effect of Dymatize 100% Casein in the low pH environment of the stomach, a prolonged and steady release of protein is obtained. In fact, the resulting digestion can take more than twice as long as other forms of protein. This delayed digestion is often desirable, especially at bedtime or other periods when your body may go for an extended period without food.

4.6 out of 5 – more than 6,650 global ratings

Dymatize Elite Casein Protein Powder Reviews
I use it with my meals during the day. People say use casein at night. But I found that casine instead of whey during the day helps keep me full a lot longer because casein digests slower than whey protein. If your goal is dieting to lose weight, I recommend using this.

7. Ascent Native Fuel Casein Protein Powder (Chocolate)

Ascent Native Fuel Casein Protein Powder (Chocolate)

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– Zero Artificial Ingredients
Ascent Micellar Casein contains zero artificial ingredients or flavors. It is naturally sweetened and contains 0g of sugar. Ascent is also Gluten Free, and Informed Sport Labeled – meaning it’s free of any banned substances.

– Slow Digesting, Repair While You Sleep
Ascent Micellar Casein is a slow-digesting protein, taking up to 6-8 hours to digest. Take before bed for sustained recovery to help prevent muscle loss during sleep. Ascent Micellar Casein is a great low calorie, low sugar option that can help with muscle repair and recovery.

– Perfect Nighttime Recovery Snack
Simply mix one scoop of Ascent Micellar Casein with 5oz of liquid (we recommend almond milk) and you have a delicious high-protein pudding. Best served chilled!

4.5 out of 5 – more than 1,800 global ratings

Ascent Native Fuel Casein Protein Powder Reviews
I’ve been looking for a high protein alternative to late night snacking, and this really hits to bulls-eye. It takes a lot longer to digest than whey protein, so I feel fuller longer. I also seem to sleep much better if I take this an hour before bed. My favorite way to prepare it is to mix 5-6 oz of almond milk and let it sit in the fridge for 10-15 minutes. It literally turns into pudding that I top with some berries. As with any Ascent product I’ve tried the flavor is top notch, which isn’t easy to do with zero artificial ingredients. This stuff is amazing


a. Protein Powder Side Effects

Protein powders are considered safe, but if you consume a lot of it, you may experience digestive adverse effects.

Dairy-based protein powder may cause stomach distress, bloating, and gas if you are lactose intolerant or otherwise sensitive to lactose. Choose a plant-based protein powder instead, or try with whey protein isolate, which has a lower lactose content than other dairy protein powders.

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