Protein has become a major health topic lately, with seemingly everyone trying to up their intake. And there are clear benefits: Protein can offer a steady energy source, helping you remain calm and focused—great for fending off that mid-afternoon crash at work. Protein is also important for muscle recovery after strength training, as it helps with repair. And while there are ready-to-drink protein shakes available, many people prefer to DIY it using protein powder
To help you decide which protein powder is right for you, here’s an in-depth review of a popular option on the market today: Jacked Factory Authentic Iso. We asked a member of our testing team to try it, and here’s what he shared about his experience.
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Jacked Factory Authentic Iso
Protein per serving
Flavor options
Third-party testing
- Our thoughts: Our tester found this easy to drink, with a nice, smooth texture
- Who it’s for: People looking for a post-workout protein drink
- What makes it different: Sourced from grass-fed cattle, and available in a variety of flavors
- Light, smooth texture
- Clear instructions
- Multiple flavors available
- Strong sweetness overpowered the vanilla flavor
- Stevia aftertaste
- Not third-party tested
Jacked Factory Authentic Whey Protein Specs
Our Experience with Jacked Factory Authentic Whey Protein
Jack Factory Authentic Iso is marketed as an easily digestible protein powder made with grass-fed whey protein isolate, which the company calls “nature’s ideal source of essential amino acids that ignite muscle protein synthesis.” Whey protein isolate, which is different from casein protein and whey protein concentrate, usually undergoes additional processing to remove more lactose, fat, and carbohydrates. This results in a higher amount of protein in the finished product.
Authentic Iso is designed to support the repair of lean muscle tissue, helping with post-training recovery. And the company says this protein powder is manufactured using “state-of-the-art filtration processes” and high-quality ingredients, resulting in a whey protein with minimal carbs and fillers.
Pete, a member of our testing team and a certified nutrition coach, tried Jacked Factory Authentic ISO. He enjoyed nearly everything about it, noting only one drawback.
What We Liked
Pete rated the product highly in three key categories.
- Instructions (5 out of 5): The instructions were straightforward and easy to understand, according to Pete. They were sufficiently detailed, including directions to mix one scoop of powder with 8 to 12 ounces of cold water, and included a helpful suggestion: that people should vary the amount of water to achieve the desired taste and consistency.
- Mixability (5 out of 5): Pete said, “The product dissolved fully in 60 seconds using a standard shaker bottle. There were no visible chunks or clumping of the powder.” He loved the resulting “light, smooth texture.”
- Taste (5 out of 5): Pete tested the vanilla flavor and said it was “easy to drink” and “noticeably sweet.” (Note: This flavor is no longer available, but there’s a “vanilla oatmeal cookie” flavor for those interested in something similar. If that sounds too sweet and you want another option, our tester really enjoyed the vanilla flavor of Legion Whey + Protein Powder.)
Pete reported that he didn’t experience any side effects after consuming this product, which is another plus.
What We Would Change
There was just one thing Pete said that could have been improved.
- Sweetness (5 out of 5/maximum sweetness levels): According to Pete, “Jacked Factory uses both sucralose and stevia extract, which gives it a strong sweetness that stands out more than the vanilla itself.” He rated it a 5 out of 5 for sweetness, indicating the highest possible level. Pete also said there was a “sweet stevia aftertaste,” which wasn’t ideal.
Who It’s For & Who It’s Not For
Jacked Factory Authentic Whey Protein isn’t necessarily a one-size-fits-all product. Here’s who it could benefit.
People looking for a post-workout protein supplement
Jacked Factory Authentic Iso is designed to help repair lean muscle tissue, so it’s ideal for after a workout.
Folks who like a sweeter beverage
As our tester noted, this is a fairly sweet product. If that sounds appealing, this might be a good fit for you. If you generally prefer less sweetness and/or would find the stevia aftertaste off-putting, you might want to try another protein powder.
Those who are sensitive to lactose
This product contains whey protein isolate, which goes through more processing than whey protein concentrate. During that process, more lactose is removed, making whey protein isolate suitable for lactose-sensitive individuals. However, we’d caution anyone with a severe dairy allergy to check with a healthcare provider before trying this product, as it does technically contain milk.
We generally recommend checking with a healthcare provider anyway, though, if you’re thinking of adding a new product to your routine—especially if you’re taking any medications or are pregnant or nursing. We also don’t recommend this whey protein powder for children.
Comparing Jacked Factory Authentic Whey Protein to Other Products
Frequently asked questions
Is Jacked Factory a good protein?
Our tester gave Jacked Factory Authentic Iso high marks across the board, with the only slight negative being that it was on the sweeter side. One serving has 25 grams of protein, which is on par with other protein powders on the market today. We’d prefer that the product be third-party tested, but overall, our firsthand testing experience showed this to be a solid whey protein powder.
Are Jacked Factory products safe?
We didn’t analyze every Jacked Factory product, but the whey protein powder we did try was not third-party tested. Why does this matter? The U.S. Food and Drug Administration (FDA) doesn’t approve dietary supplements for safety or efficacy, which means ingredients and their amounts may differ from what’s on the label. For this reason, we typically recommend looking for products that have been third-party tested to confirm safety and accuracy. If a product hasn’t been third-party tested, that doesn’t necessarily mean it isn’t safe, however. We also recommend speaking with a healthcare provider before adding any new supplement to your routine, to confirm that it’s a good fit for your health needs and goals, and that it won’t interfere with any medications you may be taking.
Who cannot take whey protein?
We generally don’t recommend this whey protein powder (or any whey protein powder for that matter) for children, those who already get sufficient protein, or those with a severe dairy allergy. Check with a healthcare provider if you’re thinking of adding a whey protein powder supplement to your routine, especially if you’re taking any medications or are pregnant or nursing.
