Nutrition & Diet Guide

Evidence-based dietary recommendations for managing invisible illness symptoms. Select your condition below for tailored guidance on foods to emphasize, foods to avoid, supplement protocols, and sample meal plans.

Condition-Specific Dietary Guidance

Lyme Disease

Anti-Inflammatory Diet

Lyme disease triggers systemic inflammation and immune dysregulation. An anti-inflammatory diet supports immune function, reduces oxidative stress, and helps mitigate Herxheimer reactions during antibiotic treatment.

Foods to Emphasize

Garlic (allicin -- natural antimicrobial and anti-inflammatory)
Turmeric with black pepper (curcumin absorption enhanced 2000%)
Wild-caught fatty fish (salmon, sardines, mackerel) for omega-3s
Leafy greens (kale, spinach, Swiss chard) for folate and antioxidants
Bone broth for gut lining repair and amino acids
Fermented foods (sauerkraut, kimchi, kefir) for probiotic support during antibiotics
Berries (blueberries, blackberries) for anthocyanins and vitamin C
Green tea for EGCG anti-inflammatory polyphenols

Foods to Avoid

Refined sugar and high-fructose corn syrup (feeds inflammation and yeast overgrowth)
Gluten-containing grains (may increase intestinal permeability)
Alcohol (stresses the liver already burdened by antibiotic metabolism)
Processed and fried foods (trans fats and advanced glycation end products)
Conventional dairy (casein may promote inflammation in sensitive individuals)
Artificial sweeteners (may disrupt gut microbiome balance)

Recommended Supplements

Probiotics (50+ billion CFU during and 2 weeks after antibiotics)
S. boulardii (antibiotic-resistant yeast probiotic to prevent C. diff)
N-Acetyl Cysteine (NAC) for glutathione support and biofilm disruption
Vitamin C (1000-2000mg/day for immune support)

Sample Day

Breakfast

Turmeric-ginger smoothie with spinach, blueberries, flax seeds, and coconut milk

Morning Snack

Handful of raw walnuts with a small apple

Lunch

Wild salmon over mixed greens with olive oil, lemon, garlic, and avocado

Afternoon Snack

Bone broth with fresh herbs and a side of sauerkraut

Dinner

Roasted chicken thighs with turmeric, roasted sweet potatoes, and steamed broccoli

Important Notes

Take probiotics at least 2 hours apart from antibiotics to preserve viability.
Herxheimer reactions may temporarily worsen with dietary changes -- start gradually.
Garlic supplements (allicin 180mg) may complement dietary garlic for antimicrobial support.

Key Nutrients

6 essentials

Daily recommended amounts for patients managing chronic invisible illnesses. Always confirm supplementation with your healthcare provider, especially if you take prescription medications.

Vitamin D

2,000-4,000 IU/day

Immune modulation, bone health, mood regulation. Deficiency is highly prevalent in chronic illness populations and linked to worse outcomes across all covered conditions.

Food Sources

Fatty fish (salmon, sardines)Egg yolksFortified foodsMushrooms (UV-exposed)

Magnesium

400-600 mg/day

Muscle relaxation, nerve function, sleep quality, energy metabolism. Magnesium glycinate is the preferred form for chronic illness due to superior absorption and reduced GI side effects.

Food Sources

Pumpkin seedsDark leafy greensDark chocolate (70%+)Almonds

Omega-3 (EPA+DHA)

2-4 g/day

Anti-inflammatory, cardiovascular protection, neurological support. Higher doses (3-4g) may be needed for active inflammation; discuss with your provider for doses above 3g.

Food Sources

Wild salmonSardinesMackerelWalnuts and flaxseeds (ALA -- less bioavailable)

Vitamin B12

1,000 mcg/day

Energy metabolism, neurological function, red blood cell formation. Methylcobalamin is preferred over cyanocobalamin for patients with MTHFR variants.

Food Sources

Shellfish (clams, mussels)Liver and organ meatsSardinesNutritional yeast (fortified)

CoQ10 (Ubiquinol)

200-400 mg/day

Mitochondrial energy production (ATP), antioxidant protection. Especially critical for ME/CFS and fibromyalgia where mitochondrial dysfunction is documented.

Food Sources

Organ meats (heart, liver)SardinesSpinachBroccoli

Zinc

15-30 mg/day

Immune cell development, wound healing, thyroid function. Do not exceed 40mg/day long-term without medical supervision (risk of copper depletion).

Food Sources

OystersPumpkin seedsChickpeasCashews

Meal Planning Tips

Practical strategies for maintaining good nutrition when energy is limited and symptoms are unpredictable.

1Batch cook proteins on low-energy days and freeze in single portions to minimize histamine buildup and preparation effort on flare days.
2Prep a 'flare day kit' with shelf-stable, low-effort foods: nut butters, crackers, canned fish, electrolyte packets, and pre-made bone broth.
3Keep a running grocery list organized by store section to minimize time standing and walking during shopping trips.
4Use a slow cooker or Instant Pot to prepare nutrient-dense meals with minimal active effort.
5Freeze smoothie ingredient packs (greens, berries, seeds) in individual bags -- just add liquid and blend.
6Ask for help: meal trains, grocery delivery, and meal kit services reduce the energy cost of feeding yourself well.
7Eat protein at every meal to stabilize blood sugar and prevent energy crashes.
8Keep hydration visible: fill your daily water target in bottles each morning and place them where you spend the most time.

Hydration Calculator

Your daily fluid needs depend on body weight and condition. POTS patients in particular require significantly higher fluid intake to maintain blood volume.

Hydration Calculator

Calculate your daily fluid target based on body weight and condition. POTS patients require significantly higher intake.

Weight (lbs)

Primary Condition

Food-Medication Interactions

7 warnings

Common medications prescribed for invisible illnesses and their important dietary interactions. Always verify interactions with your pharmacist when starting a new medication.

Doxycycline (Lyme antibiotic)

high interaction

Avoid dairy, calcium-fortified foods, and antacids within 2 hours of dosing. Calcium binds to doxycycline and reduces absorption by up to 50%. Take on an empty stomach with a full glass of water.

Metoprolol / Beta-blockers (POTS)

moderate interaction

Take with food to improve absorption. Avoid grapefruit and Seville oranges (CYP3A4 interaction increases blood levels). Limit caffeine as it may counteract heart rate control.

Fludrocortisone (POTS / Orthostatic Hypotension)

high interaction

Requires high-sodium diet to be effective. Take with food to reduce GI upset. Monitor potassium levels -- this medication causes potassium excretion. Eat potassium-rich foods (bananas, avocados, sweet potatoes).

Gabapentin / Pregabalin (Fibromyalgia, Neuropathy)

moderate interaction

Take with food to improve absorption and reduce dizziness. Avoid alcohol entirely (synergistic CNS depression). Antacids reduce absorption -- separate by 2 hours.

Low-Dose Naltrexone (LDN, off-label for ME/CFS/Fibromyalgia)

low interaction

Take at bedtime on an empty stomach. Avoid opioid-containing cough medicines and pain medications. No specific food interactions, but alcohol may increase side effects.

Warfarin / Blood thinners

high interaction

Maintain consistent vitamin K intake -- do not suddenly increase or decrease leafy greens (kale, spinach, broccoli). Avoid cranberry juice in large amounts. Alcohol increases bleeding risk.

Fluconazole / Antifungals (Candida during Lyme treatment)

moderate interaction

Avoid grapefruit and grapefruit juice (inhibits drug metabolism). Take with food to reduce nausea. Reduce sugar intake to support antifungal effectiveness.

Explore Related Modules

Medication Tracker

Track meds & interactions

Treatment Guide

Evidence-based treatment info

Flare Predictor

Predict symptom flare-ups

Symptom Journal

Track symptoms over time

Data Sources (6)

National Institutes of Health (NIH ODS). Office of Dietary Supplements — Nutrient Fact Sheets. 2025.
Academy of Nutrition and Dietetics. Nutrition Care Manual and Evidence Analysis Library. 2025.
American Journal of Clinical Nutrition (peer-reviewed). Anti-inflammatory Dietary Patterns and Chronic Disease Outcomes. 2024.
Nutrients (MDPI, peer-reviewed). Nutritional Interventions in Myalgic Encephalomyelitis/CFS: A Systematic Review. 2024.
Autonomic Neuroscience (Elsevier, peer-reviewed). Dietary Sodium and Fluid Management in POTS. 2023.
Journal of Allergy and Clinical Immunology (peer-reviewed). Alpha-gal Syndrome: Diagnosis and Management. 2024.

Disclaimer: This page provides evidence-based nutritional information for educational purposes only and does not constitute medical or dietary advice. Individual nutritional needs vary significantly based on condition severity, medications, comorbidities, and personal tolerances. Always consult a registered dietitian or your healthcare provider before making significant dietary changes or starting supplement protocols.

Last updated: August 2026. Supplement dosages listed are general ranges from published literature and may not be appropriate for all patients.

Nutrition & Diet Guide

Condition-Specific Dietary Guidance

Lyme Disease

Anti-Inflammatory Diet

Foods to Emphasize

Garlic (allicin -- natural antimicrobial and anti-inflammatory)
Turmeric with black pepper (curcumin absorption enhanced 2000%)
Wild-caught fatty fish (salmon, sardines, mackerel) for omega-3s
Leafy greens (kale, spinach, Swiss chard) for folate and antioxidants
Bone broth for gut lining repair and amino acids
Fermented foods (sauerkraut, kimchi, kefir) for probiotic support during antibiotics
Berries (blueberries, blackberries) for anthocyanins and vitamin C
Green tea for EGCG anti-inflammatory polyphenols

Foods to Avoid

Refined sugar and high-fructose corn syrup (feeds inflammation and yeast overgrowth)
Gluten-containing grains (may increase intestinal permeability)
Alcohol (stresses the liver already burdened by antibiotic metabolism)
Processed and fried foods (trans fats and advanced glycation end products)
Conventional dairy (casein may promote inflammation in sensitive individuals)
Artificial sweeteners (may disrupt gut microbiome balance)

Recommended Supplements

Probiotics (50+ billion CFU during and 2 weeks after antibiotics)
S. boulardii (antibiotic-resistant yeast probiotic to prevent C. diff)
N-Acetyl Cysteine (NAC) for glutathione support and biofilm disruption
Vitamin C (1000-2000mg/day for immune support)

Sample Day

Breakfast

Turmeric-ginger smoothie with spinach, blueberries, flax seeds, and coconut milk

Morning Snack

Handful of raw walnuts with a small apple

Lunch

Wild salmon over mixed greens with olive oil, lemon, garlic, and avocado

Afternoon Snack

Bone broth with fresh herbs and a side of sauerkraut

Dinner

Roasted chicken thighs with turmeric, roasted sweet potatoes, and steamed broccoli

Important Notes

Take probiotics at least 2 hours apart from antibiotics to preserve viability.
Herxheimer reactions may temporarily worsen with dietary changes -- start gradually.
Garlic supplements (allicin 180mg) may complement dietary garlic for antimicrobial support.

Key Nutrients

6 essentials

Daily recommended amounts for patients managing chronic invisible illnesses. Always confirm supplementation with your healthcare provider, especially if you take prescription medications.

Vitamin D

2,000-4,000 IU/day

Immune modulation, bone health, mood regulation. Deficiency is highly prevalent in chronic illness populations and linked to worse outcomes across all covered conditions.

Food Sources

Fatty fish (salmon, sardines)Egg yolksFortified foodsMushrooms (UV-exposed)

Magnesium

400-600 mg/day

Muscle relaxation, nerve function, sleep quality, energy metabolism. Magnesium glycinate is the preferred form for chronic illness due to superior absorption and reduced GI side effects.

Food Sources

Pumpkin seedsDark leafy greensDark chocolate (70%+)Almonds

Omega-3 (EPA+DHA)

2-4 g/day

Anti-inflammatory, cardiovascular protection, neurological support. Higher doses (3-4g) may be needed for active inflammation; discuss with your provider for doses above 3g.

Food Sources

Wild salmonSardinesMackerelWalnuts and flaxseeds (ALA -- less bioavailable)

Vitamin B12

1,000 mcg/day

Energy metabolism, neurological function, red blood cell formation. Methylcobalamin is preferred over cyanocobalamin for patients with MTHFR variants.

Food Sources

Shellfish (clams, mussels)Liver and organ meatsSardinesNutritional yeast (fortified)

CoQ10 (Ubiquinol)

200-400 mg/day

Mitochondrial energy production (ATP), antioxidant protection. Especially critical for ME/CFS and fibromyalgia where mitochondrial dysfunction is documented.

Food Sources

Organ meats (heart, liver)SardinesSpinachBroccoli

Zinc

15-30 mg/day

Immune cell development, wound healing, thyroid function. Do not exceed 40mg/day long-term without medical supervision (risk of copper depletion).

Food Sources

OystersPumpkin seedsChickpeasCashews

Meal Planning Tips

Practical strategies for maintaining good nutrition when energy is limited and symptoms are unpredictable.

1Batch cook proteins on low-energy days and freeze in single portions to minimize histamine buildup and preparation effort on flare days.
2Prep a 'flare day kit' with shelf-stable, low-effort foods: nut butters, crackers, canned fish, electrolyte packets, and pre-made bone broth.
3Keep a running grocery list organized by store section to minimize time standing and walking during shopping trips.
4Use a slow cooker or Instant Pot to prepare nutrient-dense meals with minimal active effort.
5Freeze smoothie ingredient packs (greens, berries, seeds) in individual bags -- just add liquid and blend.
6Ask for help: meal trains, grocery delivery, and meal kit services reduce the energy cost of feeding yourself well.
7Eat protein at every meal to stabilize blood sugar and prevent energy crashes.
8Keep hydration visible: fill your daily water target in bottles each morning and place them where you spend the most time.

Hydration Calculator

Your daily fluid needs depend on body weight and condition. POTS patients in particular require significantly higher fluid intake to maintain blood volume.

Hydration Calculator

Calculate your daily fluid target based on body weight and condition. POTS patients require significantly higher intake.

Weight (lbs)

Primary Condition

Food-Medication Interactions

7 warnings

Common medications prescribed for invisible illnesses and their important dietary interactions. Always verify interactions with your pharmacist when starting a new medication.

Doxycycline (Lyme antibiotic)

high interaction

Avoid dairy, calcium-fortified foods, and antacids within 2 hours of dosing. Calcium binds to doxycycline and reduces absorption by up to 50%. Take on an empty stomach with a full glass of water.

Metoprolol / Beta-blockers (POTS)

moderate interaction

Take with food to improve absorption. Avoid grapefruit and Seville oranges (CYP3A4 interaction increases blood levels). Limit caffeine as it may counteract heart rate control.

Fludrocortisone (POTS / Orthostatic Hypotension)

high interaction

Gabapentin / Pregabalin (Fibromyalgia, Neuropathy)

moderate interaction

Take with food to improve absorption and reduce dizziness. Avoid alcohol entirely (synergistic CNS depression). Antacids reduce absorption -- separate by 2 hours.

Low-Dose Naltrexone (LDN, off-label for ME/CFS/Fibromyalgia)

low interaction

Take at bedtime on an empty stomach. Avoid opioid-containing cough medicines and pain medications. No specific food interactions, but alcohol may increase side effects.

Warfarin / Blood thinners

high interaction

Maintain consistent vitamin K intake -- do not suddenly increase or decrease leafy greens (kale, spinach, broccoli). Avoid cranberry juice in large amounts. Alcohol increases bleeding risk.

Fluconazole / Antifungals (Candida during Lyme treatment)

moderate interaction

Avoid grapefruit and grapefruit juice (inhibits drug metabolism). Take with food to reduce nausea. Reduce sugar intake to support antifungal effectiveness.

Explore Related Modules

Medication Tracker

Track meds & interactions

Treatment Guide

Evidence-based treatment info

Flare Predictor

Predict symptom flare-ups

Symptom Journal

Track symptoms over time

Data Sources (6)

National Institutes of Health (NIH ODS). Office of Dietary Supplements — Nutrient Fact Sheets. 2025.
Academy of Nutrition and Dietetics. Nutrition Care Manual and Evidence Analysis Library. 2025.
American Journal of Clinical Nutrition (peer-reviewed). Anti-inflammatory Dietary Patterns and Chronic Disease Outcomes. 2024.
Nutrients (MDPI, peer-reviewed). Nutritional Interventions in Myalgic Encephalomyelitis/CFS: A Systematic Review. 2024.
Autonomic Neuroscience (Elsevier, peer-reviewed). Dietary Sodium and Fluid Management in POTS. 2023.
Journal of Allergy and Clinical Immunology (peer-reviewed). Alpha-gal Syndrome: Diagnosis and Management. 2024.

Last updated: August 2026. Supplement dosages listed are general ranges from published literature and may not be appropriate for all patients.