I’m a Nutritionist. Here’s How I'd Approach the White House Diet

Trump officials are following a strict protein-and-ferments diet inspired by Health Secretary, Robert F. Kennedy Jr. and Dr. Sean O'Mara.

Illustration by The Epoch Times, Shutterstock

Steak for breakfast, a spoonful of sauerkraut at lunch, and no sugar in sight: that’s the current eating plan of a handful of Trump administration officials. Health Secretary Robert F. Kennedy Jr., Commerce Secretary Howard Lutnick, Transportation Secretary Sean Duffy, and Vice President JD Vance are reportedly following, inspired by Kennedy’s war on processed food and Dr. Sean O'Mara, a performance-optimizing physician, retired U.S. Army colonel, and former chief medical officer of a high-security federal medical operations unit. The diet is strict, trendy, and also more complicated than “just eat meat and ferments.”

The plan has drawn attention for its rigidity, but a more useful question may not be whether it’s trendy, but whether it’s actually healthy, and for whom.

Why the Diet Appeals

The rules are simple, the food choices are clear, and the plan promises a clean break from sugar, alcohol, and processed food. The simplicity matters. Many people have grown weary of nutrition advice that changes every few months, and a plan that directs “eat more protein, skip the junk, and keep it basic” can feel like a relief.

O’Mara’s version is more specific than the popular “steak and fermented foods” method. He emphasizes grass-fed beef and other high-quality animal proteins, and includes nutrient-dense foods such as bone marrow to support muscle, satiety, and metabolic health

He is also specific about which fermented foods to include and which to avoid, steering people away from pasteurized products and sugar-laden drinks such as kombucha.

Beyond which foods to eat, his broader protocol includes reducing processed carbohydrates, fasting, high-intensity exercise, and exposure to stressors such as cold plunges and saunas.

What’s Good About the Diet

For anyone whose diet currently consists of highly processed foods, this dietary approach offers many benefits. Cutting back on sugar, alcohol, and ultra-processed foods can make a big difference in how we feel, and meals built around high-quality protein tend to promote fullness and help control appetite.

Higher protein intake is well-documented to improve satiety and reduce hunger, and a growing body of evidence from 2025 reviews linking fermented foods to improved gut microbiota diversity and lower gastrointestinal inflammation.

The addition of fermented food also has value when used correctly. O’Mara suggests using fermented foods as a living garnish: small portions of sauerkraut. The best choices are living, active fermented foods—sauerkraut, kimchi, fermented vegetable brine, kvass, miso, kefir, and unsweetened active yogurt.

Fermented foods can help optimize the microbiome, increase microbial diversity, and may shift fat storage away from disease-promoting depots toward more protective ones. In this way, kimchi brine, sauerkraut juice, and fermented vegetables become part of a metabolic strategy to support gut ecology and body composition.

To optimize the diet, buy only properly stored fermented foods—those found in the refrigerated section of the grocery store. Avoid shelf-stable or pasteurized fermented foods, as pasteurization kills the live microbes that make these foods healthy. For those unaccustomed to fermented foods, O’Mara suggests starting with tiny amounts—even a small taste of the brine—and building up slowly over time.

Another strength of this eating style is that it may help in stepping away from endless snacking. When meals are more filling, nutrient-dense, and less processed, people often report having fewer cravings and more energy, making a stricter diet feel more like a reset than a punishment.

What Could Go Wrong?

Not everyone tolerates this pattern well. Even generally helpful foods can cause problems in excess—fermented foods, in particular, may not be well tolerated in people with histamine intolerance, a condition where the body struggles to break down histamine found in aged cheese, wine, ferments, and processed meats.

If you have headaches, skin flushing, digestive upset, or feel worse after meals with fermented foods or garlic, these are signs to use caution with the amount and types of fermented foods.

For those with suspected histamine issues, the safer approach is to start with very small microdoses of fermented foods and slowly increase the amounts, if tolerated. That gives the gut bacteria time to adapt.

In clinical practice, I do not recommend fermented foods as something everyone should eat in large servings. Reading product labels carefully is also important for ensuring you are eating a high-quality fermented product.

Another concern is that a low-fiber diet can cause constipation or other bowel problems long-term for some people. A meat-heavy plan can omit beans, fruit, and vegetables, which help maintain regular digestion and support gut health. Research on dietary fiber shows that adequate fiber helps support the gut microbiota and produces beneficial metabolites in other ways aside from ferments.

Finally, there’s a psychological cost to overly rigid eating. When the rules get too tight, unclear, or not applied correctly, then cravings, bingeing, and all-or-nothing thinking can show up. This can sabotage your long-term success. Professional support can make all the difference if this is a new eating style for you.

Tailoring Any Diet Based on Your Signals

Instead of asking whether the new trend is “good” or “bad,” I would ask, “How are you responding?” If energy is stable, digestion is comfortable, and meals feel satisfying, some version of the plan may be working.

For those who want to try this style of eating, the safest approach may be to keep the useful pieces and ignore the extremes. That means prioritizing more protein, fewer processed foods, and less sugar, while using fermented foods carefully and in the right amounts.

These are the genuinely useful nutrition principles highlighted in the White House dietary trend.

Weight loss is not the only measure of success. Feeling energetic and less inflamed go hand in hand.

The smartest takeaway is not to copy the trend, but to tailor rational-sounding dietary trends to your current health status. Pay attention to the signals your body gives you to confidently build a healthier lifestyle habit.