Food Is Fuel: Why There's No One-Size-Fits-All Diet
Nutrition is one of the most debated and emotionally charged topics in health, and I understand why. We have never had more access to information, and it is easy to jump from one plan to the next, searching for the thing that finally works. After treating thousands of women, the questions I hear are remarkably consistent. What diet should I follow? Should I go keto, carnivore, or vegan? Should I just accept my body the way it is?
Here is the truth most diet books will not tell you. There is no one-size-fits-all diet.
Three principles that outlast every trend
Across seasons, body types, and hormone phases, three things hold true: eat real food, balance your protein, carbohydrates, and fats, and respect timing and fasting. Those matter more than any label attached to a trend. In practice I care far less about the name of a diet and far more about how your body responds. The right plan should improve your labs, your symptoms, and your long-term health, not just the number on the scale.
I had a patient thriving, in his mind, on a carnivore diet. He felt great, but his labs told another story: cholesterol up, inflammation high, thyroid sluggish. Instead of forcing him off a plan he enjoyed, we refined it with higher quality and leaner meats and strategically reintroduced vegetables. Six months later his inflammation was cut in half and his thyroid markers normalized. Same framework, better inputs.
Women are not small men. Some thrive on lower carbohydrates, and others lose hair and feel exhausted without them. I test everything before I teach it, and keto, which looked perfect on paper, left me bloated, achy, and craving everything. If a plan works for you, wonderful. If it does not, that is not a lack of discipline. It is physiology. Most women do not need extreme. They need consistency, because progress beats perfection every time.
The sequence is the strategy
This is the same order I use with every patient. We do not start with calorie counting or fasting. We start where healing actually begins.
Foundation 1 is Identify and Heal. Before anything else, we assess how your gut is functioning and which foods may be driving inflammation. This is the step most plans skip, and it is often the reason nothing else has worked. Foundation 2 is Build and Balance, where we turn to macronutrients, not obsessive tracking, but enough awareness to know whether you are eating adequate protein and managing insulin resistance. Foundation 3 is Time and Restore, where we finally layer in intermittent fasting as a timing tool. Each foundation builds on the one before it, and skipping ahead rarely works.
Why the gut comes first
Most people know food allergies, the immediate IgE reactions like hives and swelling that are hard to miss. What disrupts health far more quietly is different. IgG food sensitivities are delayed responses that can show up hours to days after eating, creating low-grade inflammation that lingers. The symptoms are vague and easy to dismiss: bloating, gas, fatigue, brain fog, headaches, joint aches, and skin issues. Just enough to leave you feeling off without an explanation.
This matters well beyond digestion. Gut inflammation can slow weight loss, impair nutrient absorption, worsen hormone balance, and quietly drive fatigue, and increased intestinal permeability is a recognized contributor to autoimmune activation. You do not need a formal diagnosis for gut dysfunction to be affecting you. The gut is central to immune regulation, hormone metabolism, and inflammation control, which is exactly why it comes before everything else.
The foods I look at first
The most inflammatory foods are rarely whole foods pulled from the ground or raised on a farm. They tend to be man-made, heavily processed, and stripped of their original design. Four categories I evaluate early: seed oils, which are high in omega-6 fats and hidden in most processed foods, best replaced with stable fats like extra virgin olive oil, coconut oil, grass-fed butter, and ghee; corn, which appears in countless forms and can irritate the gut lining; gluten, which sits on a spectrum from Celiac disease to milder sensitivity and can increase intestinal permeability; and sugar, which is both addictive and strongly inflammatory. Reducing seed oils alone often improves energy and inflammation within weeks, and letting whole fruit be your main source of sweetness is one of the simplest shifts you can make.
Food was designed to fuel you, not to fight you. When you start with the gut, remove what inflames, and build from real food, your body finally gets the inputs it needs to do what it was created to do.
This post is drawn from Chapter 4 of my book, Where Faith Meets Medicine, where I walk through the full three-foundation nutrition sequence and how to build a plan that fits your life and your hormones.