Whole Food Plant Based Diet
Last reviewed: July 23, 2026Last updated: July 23, 2026

Written by: Jay Hastings, CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

Whole Food Plant Based Diet

The Whole Food Plant Based Diet is a health-focused plan centered on maximizing nutrient-dense whole grains, vegetables, and legumes while minimizing refined sugars, oils, and completely eliminating animal products. This approach naturally aligns with dairy-free, egg-free, vegan, and vegetarian lifestyles, offering a robust framework for those seeking to reduce inflammation and optimize metabolic health. Your PlexusDx report provides personalized insights into genes that directly connect to this way of eating—such as TMPRSS6 and TF, which regulate how efficiently your body absorbs and transports iron, a key mineral to monitor when removing animal sources. Additionally, understanding your FUT2 gene can shed light on your gut microbiome's unique needs, while variants in APOA5 and FTO offer context on how your body metabolizes fats and maintains a healthy weight, helping you tailor this plant-forward plan to your biology.

This program is built on evidence-based strategies to prevent common nutrient gaps while leveraging the protective benefits of plant foods. By focusing on specific nutrient pairings and high-quality ingredients, the plan supports immune function, digestive health, and cardiovascular wellness. Key nutritional pillars include:

  • Iron: To address potential gaps, this plan provides at least 18 mg of daily iron from plant sources like lentils, chickpeas, tofu, and hemp seeds, paired with vitamin C-rich foods to optimize absorption (crucial for those with specific TMPRSS6 variants).
  • Zinc: Essential for immune defense, zinc is supplied through whole grains, legumes, nuts, and seeds to prevent deficiencies that could impair immune response.
  • Fiber: With up to 60g of daily fiber from black beans, sweet potatoes, and broccoli, the plan supports blood sugar control and cholesterol management, leveraging the metabolic benefits often linked to FTO gene interactions.
  • Healthy Fat: Nutrient-dense fats from avocados and nuts replace saturated animal fats, providing plant sterols that actively block cholesterol absorption and support cardiovascular health, relevant for APOA5 carriers.
  • Prebiotics & Probiotics: The inclusion of fermented foods like tempeh alongside prebiotic-rich onions and garlic creates a synergistic effect that feeds beneficial gut bacteria, supporting the microbiome diversity associated with FUT2 function.

To start personalizing your menu, click the button below to access the PlexusDx meal planning tool. This platform allows you to modify any meal to better fit your genetic insights or taste preferences using our simple "Swap" feature. Follow these steps to customize your plan:

  1. Locate the meal you wish to change on your planner.
  2. Click the three dots next to the meal name.
  3. Select “Swap recipe” from the dropdown menu.
  4. Choose “Swap” to change just that meal, or “Swap all” to replace it for the entire week.
  5. Keep clicking “Swap” to browse alternatives that automatically match your plan's rules (such as gluten-free, dairy-free, or egg-free options).

PlexusDx provides educational information about genetic predispositions only. This content is not medical advice. Always discuss genetic findings, test results, symptoms, and treatment decisions with your healthcare provider or an allergist to determine appropriate care for your situation.


Frequently Asked Questions About The Whole Food Plant Based Diet

What is a Whole Food Plant Based Diet and what does it include?

A Whole Food Plant Based Diet focuses on nutrient-dense whole grains, vegetables, and legumes while minimizing refined sugars and oils and completely eliminating animal products. It naturally fits dairy-free, egg-free, vegan, and vegetarian preferences, aiming to reduce inflammation and support metabolic health using evidence-based plant food strategies.

Which key nutrients does the plant-based plan help cover?

The plan targets common nutrient gaps by emphasizing iron (at least 18 mg/day from sources like lentils, chickpeas, tofu, and hemp seeds paired with vitamin C for absorption), zinc (from whole grains, legumes, nuts, and seeds), and fiber (up to 60 g/day from foods such as black beans, sweet potatoes, and broccoli) to support blood sugar control and cholesterol management. It also includes healthy fats from avocados and nuts, plus prebiotics and fermented foods (like tempeh) to support digestive health and gut microbiome diversity.

How can I personalize a Whole Food Plant Based meal plan using PlexusDx?

PlexusDx personalizes insights tied to genetics—such as TMPRSS6 and TF for iron handling, FUT2 for gut microbiome needs, and APOA5 and FTO for fat metabolism and weight support. You can customize your menu in the meal planning tool using the “Swap” feature: click the three dots next to a meal, choose “Swap recipe,” then select “Swap” for one meal or “Swap all” to update the whole week while automatically matching plan rules (like gluten-free, dairy-free, or egg-free).

What tests can help me learn more about Whole Food Plant Based Diet?

The Functional Health Genetic Test delivers over 750 personalized genetic insights across 10 in-depth genetic reports to support whole-body, systems-level health understanding. The Diet and Nutrition Genetic Report translates your results into personalized, actionable guidance. Your healthcare provider can also recommend targeted blood tests based on your specific pathway results and health history to complement your genetic insights with current biomarker data.


Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of nutrition, genetics, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, and reputable medical references.

Important disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your diet, supplements, or health-related care.