PSMD NEWSLETTER
As A Medical Doctor, The Internet's Favorite "Healthy Protein Bar" Failed My Ingredient Test. Badly...
June 5, 2026
It has the "perfect" macros. Twenty-something grams of protein. "0g sugar." Low calories. It's in every gym bag, every "what I eat in a day," every fridge tour. The internet just decided it's health food.
So I did what a doctor should do. I flipped it over and read the back. The truth about this will shock you...
I'm a board-certified physician-turned functional medicine expert, and the author of 2 bestselling books. I've spent the last decade researching ancestral nutrition, biochemistry, and evolutionary biology, and sharing my knowledge with millions across social media. I've treated thousands of patients and spoken with the top health experts in the world.
And I'm going to say what the industry doesn't want to hear: most of the "high-protein" bars going viral right now are candy bars in disguise. Including the gold one you're picturing.
Here's a question that should bother you: how do you make a sweet, chewy, dessert-flavored bar that legally reads 0g sugar?
You don't use less sugar. You replace real sugar with things that taste sweet but don't count as "sugar" on a nutrition label.
That means two families of ingredients. Sugar alcohols like erythritol, maltitol, and allulose. And artificial sweeteners like sucralose and acesulfame potassium. These are industrial sweeteners, hundreds of times sweeter than sugar, built in a factory. Your body has no ancestral playbook for any of them.
The macros look great, but the ingredient list is built on undigestable chemicals.
I wanted to change the industry and create an actual healthy protein bar with real food ingredients, so I did just that with the Lineage Bar.
Sugar alcohols are famous for one thing in particular, and it isn't health...it's the gut bomb. Bloating, gas, cramping, the sprint to the bathroom an hour after your "clean" snack. The dose packed into a single one of these bars is often more than enough to set off your gut.
Artificial sweeteners are their own conversation. They're not food. They're factory-made compounds engineered to trick your tongue, and a growing body of research keeps raising uncomfortable questions about what they do to your gut bacteria and your hunger signals over time.
"0g sugar" doesn't mean clean. It usually means the sugar got swapped for something your gut likes even less.
I decided to sweeten the Lineage Bar with raw honey and wild blueberries instead of artificail sweeteners and sugar alcohols.
Strip the marketing off and look at the actual formula. Sweetened with industrial sweeteners. Bound together with gums and fiber syrups. Fat coming from modified, refined oils. Flavor from a "natural flavors" cocktail.
That is the exact recipe for a candy bar. The only thing that changed is the wrapper and the "healthy" marketing on the front.
And the protein number? Real on paper, maybe. But protein quality is the part the label never shows you. Cheap isolates buried under a pile of additives can post a beautiful number in a macro app and still leave your body with less usable protein than the front of the box implies.
That's why I used the most bioavailable protein (grass-fed whey) in the Lineage Bar so your body can actually absorb and utilize it.
Forget the front of the package, the back is the truth. Here's the filter I use, and the one I'd teach my own family to use.
Put it back if you see:
Keep it if you see:
Here's the part the wellness aisle doesn't want you to internalize: a little real sugar from honey beats zero sugar from a chemistry set every single time.
I got tired of recommending "the least bad option," so my friend Dr. Anthony Gustin, DC and I built the opposite of everything above. We call it the Lineage Bar.
It delivers 20g of high-quality protein from grass-fed whey and collagen, in under 200 calories (for those that care about that). It's sweetened with raw honey and coconut nectar, which works out to roughly a tablespoon of honey's worth of real sugar.
What's not in it is the whole story: no sugar alcohols. No artificial sweeteners. No seed oils. No fiber syrups. No gums. Nothing your gut has to fight through to digest.
It tastes incredible because it's made of real food, not because a lab engineered it to. Try the Mixed Berry, made with wild blueberries, or the Chocolate, made with real cocoa.
Flip the bar over. If you can't pronounce the sweetener, your body can't process it like food either. You deserve a bar that's honest on both sides of the wrapper.
Try the Lineage Bar and get 15% off with code PAUL.
Eat like a human.
– Dr. Paul Saladino, MD
