Best Supplements for Immune Defence Stack
A layered immune stack combines daily prevention with an acute protocol for illness onset. Different layers activate different immune pathways for comprehensive defence.
Top 5 Recommended Supplements
Vitamin D3
4,000 IU daily (10,000 IU for 3 days at illness onset)Foundation immune regulator. Activates antimicrobial peptides and modulates T-cell response
Buy on Amazon →Vitamin C
1,000mg daily (3,000mg during illness)Concentrates in immune cells at 100x plasma levels. Enhances neutrophil and lymphocyte function
Buy on Amazon →Zinc
15mg daily (30mg every 4h at illness onset)Essential for T-cell and NK cell function. Taken within 24h of cold onset reduces duration by 33%
Buy on Amazon →Elderberry
500mg daily (1,500mg during illness)Directly inhibits viral entry and replication. Most effective at illness onset
Buy on Amazon →Probiotics
30B CFU daily70% of immune tissue is gut-based. Specific strains reduce upper respiratory infections by 47%
Buy on Amazon →Sample Daily Stack
Daily prevention: Vitamin D3 (4,000 IU) + Vitamin C (1,000mg) + Zinc (15mg) + Probiotics + Elderberry (500mg)
Code Red (illness onset): Zinc (30mg every 4-6h for 48h) + Vitamin C (1,000mg every 4h) + Elderberry (500mg every 4h) + Vitamin D (10,000 IU for 3 days)
Recovery: Return to prevention doses + extra rest + bone broth
Lifestyle Tips
Start the Code Red protocol within 24 hours of first symptoms for maximum effect
Sleep is the most powerful immune intervention — rest at first sign of illness
Hand washing prevents more infections than any supplement
Stay home when sick — protect others and recover faster
Vaccines are the most effective immune intervention for specific pathogens
Track Your Progress With RYVVA
AI-powered fitness coaching, workout tracking, and nutrition plans. The perfect companion to your supplement stack.
Try RYVVA Free →Testosterone Support From Voy
UK-based TRT and hormone optimisation. Clinician-led, delivered to your door. Blood tests, prescriptions, and ongoing monitoring.
Learn More at Voy →Try Space Goods
Nootropic mushroom blends for focus, energy, and calm. Lion\'s Mane, Cordyceps, Ashwagandha in one daily drink.
Shop Space Goods →LA Muscle Supplements
Premium sports nutrition — protein, pre-workout, testosterone boosters, and fat burners. UK-made.
Shop LA Muscle →Healthy Meals Delivered
Chef-prepared, macro-balanced meals delivered to your door. Perfect for hitting your nutrition goals.
Try Simmer Eats →Horace — Men's Skincare
Premium French skincare for men. Natural ingredients, no fuss. Cleansers, moisturisers, and grooming essentials.
Shop Horace →Vitality Health Insurance
Rewards you for being healthy. Gym discounts, Apple Watch deals, and wellness perks with your health cover.
Get a Vitality quote →Huel — Complete Nutrition
Nutritionally complete meals, shakes, and bars. 26 vitamins and minerals in every serving.
Try Huel →This information is for educational purposes only and does not constitute medical advice. Supplement recommendations are based on published research but individual needs vary. Always consult a qualified healthcare professional before starting any supplement regimen. Amazon links are affiliate links.