Immune Support Protocol

SStrong EvidenceLow commitment6 steps · 4 supplements · 2 habits

What this protocol does

Evidence-based supplements and habits to maintain robust immune function year-round.

Who it's for

Everyone, especially during cold/flu season or periods of high stress.

Expected timeline

Ongoing maintenance. Acute benefits within days of starting.

Monthly cost estimate

€15-€30/month

Protocol steps

Vitamin D3supplementAAdequate Evidence

With meal · 4000-5000 IU

Activates T cells — most common immune-related deficiency

Vitamin CsupplementAAdequate Evidence

Divided doses · 500mg 2x daily

Supports neutrophil function and antioxidant defense

Order these supplements

Get everything you need for this protocol delivered to your door.

Vitamin D3

4000-5000 IU

iHerb

Vitamin C

500mg 2x daily

iHerb

Zinc

15-30mg

iHerb

NAC (N-Acetyl Cysteine)

600mg

iHerb

Questions about Immune Support Protocol

What are the key supplements and habits in this protocol and why?

What should I expect in the first few weeks of this protocol?

Can I modify this protocol if I have a busy schedule?

ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.