Chicken: The Original Superfood Hiding in Plain Sight

Walk into any health food store and you'll find shelves of powders, berries and seeds marketed as "superfoods": goji berries from the Himalayas, spirulina from algae ponds, açai from the Amazon. They come with exotic origin stories and price tags to match. Meanwhile, one of the most nutrient-dense foods on the planet sits quietly in the meat aisle, costing a few dollars a pound. In this blog post, we'll explore why chicken deserves the superfood title, the science behind tryptophan and its effects on your mood, energy and immune system, and why chicken soup remains the world's most recommended remedy when you're sick.

What Actually Makes a Food "Super"?

There's no official definition of a superfood. The term is marketing, not science. But if we strip away the branding, the idea behind it is sound: a food that delivers an exceptional amount of nutrition per calorie. By that standard, a superfood should offer:

• High-quality, usable protein

• A broad spectrum of vitamins and minerals

• Compounds that support key systems in the body, like the brain and immune system

Chicken checks every box.

The Nutrient Profile of Chicken

A single serving of chicken breast delivers roughly 30 grams of complete protein, meaning it contains all nine essential amino acids your body cannot make on its own. But the protein is only the beginning:

• B vitamins: Chicken is rich in niacin (B3) and B6, which drive energy production and support the nervous system, plus B12 for red blood cell formation.

• Selenium: A mineral that supports thyroid function and acts as an antioxidant.

• Zinc and phosphorus: Critical for immune function, bone health and tissue repair.

• Choline: An often overlooked nutrient that supports brain health, memory and liver function.

Few foods pack this much usable nutrition into so few calories. That is nutrient density, and that is what "superfood" was supposed to mean.

Tryptophan: One Amino Acid, Three Jobs

Chicken is one of the richest common sources of tryptophan, an essential amino acid with an outsized influence on how you feel and how well you fight off illness. Once it's in your system, it goes to work in three places.

Job one - serotonin: Your body converts tryptophan into serotonin, the neurotransmitter that regulates mood, appetite and sleep. Serotonin is also the raw material for melatonin, the hormone that governs your sleep cycle. Low tryptophan intake has been linked to low mood, irritability and poor sleep quality. In other words, the pathway from your dinner plate to your mental state runs directly through amino acids like tryptophan.

Job two - NAD+: Through what scientists call the kynurenine pathway, your body also turns tryptophan into NAD+, the molecule every cell in your body uses to make energy. NAD+ is the same molecule behind the expensive longevity supplements lining those health food store shelves. Your body makes its own, and tryptophan is the raw material.

Job three - immune cells: Your immune system is built out of protein. Antibodies are proteins. Immune cells are made of protein. When your body mounts an immune response, it needs a surge of amino acids to produce new immune cells, and tryptophan availability directly influences how well T-cells (some of your most important defenders) activate and multiply. Tryptophan also feeds the production of niacin and a family of metabolites that help regulate immune activity, keeping the response strong enough to fight infection without tipping into chronic inflammation.

Why Being Sick Makes You Feel So Low

Here's the part most people miss. When you get sick, immune activation flips a switch that diverts tryptophan down the kynurenine pathway, funneling it toward the immune response and away from everything else. That leaves less tryptophan available to make serotonin and NAD+, the molecule your cells rely on for energy. The result is the one-two punch you know well: your mood dips and your energy crashes. It's not just the bug making you miserable, it's your body reallocating resources to fight it. One more reason to keep the protein coming when you're ill.

Why Grandma Was Right About Chicken Soup

Here's the funny thing about superfoods. When you actually get sick, nobody brings you açai. Nobody shows up at your door with a probiotic smoothie or a kale salad. They bring chicken soup. Every culture figured this out long before the word superfood existed, and modern science has started to catch up with what grandmothers already knew:

• Hydration and electrolytes: The warm broth keeps you hydrated and replaces sodium and fluids lost to fever.

• Congestion relief: The steam from hot soup helps open nasal passages, and warm liquid soothes a sore throat.

• A mild anti-inflammatory effect: A well-known study published in the journal Chest found that chicken soup appears to slow the movement of neutrophils, a type of white blood cell, which may reduce the inflammation behind cold symptoms.

• Cysteine: Chicken releases this amino acid during cooking, and it is chemically similar to acetylcysteine, a compound doctors use to thin mucus in respiratory illnesses.

• Easy to digest: When your appetite disappears, soup delivers protein, fluids and minerals in a form your body barely has to work for.

The next time someone offers you a trendy superfood cure when you're under the weather, remember what people actually reach for when it counts.

Getting the Most Out of Chicken

• Quality matters: Choose pasture-raised or organic chicken when you can. The animal's diet and living conditions show up in the nutrient profile.

• Mix your cuts: Breast is the leanest option, but thighs and drumsticks carry more iron and zinc.

• Keep the bones: Simmer them into broth. That is where the collagen, minerals and gut-supportive gelatin live.

• Don't overcook it: Dry, overcooked chicken loses moisture and some heat-sensitive B vitamins.

Conclusion

Superfoods don't need an exotic backstory or a marketing budget. Chicken is affordable, accessible, and delivers complete protein, essential vitamins and minerals, and tryptophan, one amino acid that becomes serotonin for your mood, NAD+ for your energy and support for your immune cells. And when illness strikes, it becomes the one food the whole world agrees on. That sounds pretty super to me.

If you want to dial in your nutrition with a plan built for your body, not a trend, email me at chris@chriskthecoach.com