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The Immunity Stack

Resilient through every season.

5 SUPPLEMENTS~$81/MOEVIDENCE-LED
See the full evidence guide: best supplements for immunity

What's in the stack

~$81/MO · 5 ITEMS
OPTIONAL ADD-ON

Want to go deeper?

One additional supplement that pairs well with this stack, for users wanting to extend the protocol.

Strengthens the immune pillar with the four most-studied nutrients, vitamin D3, vitamin C, zinc, plus a multi-strain probiotic for the gut-immune axis. Elderberry on standby for the first sign of illness.

✓ BEST FOR
  • · Frequent colds or flu
  • · Seasonal immune support
  • · Recovery after illness
  • · Travelers
⚠ IMPORTANT TO KNOW
  • · Elderberry is not recommended for active autoimmune conditions

Why this works

01
Stronger first-line immune defense
02
Reduced frequency of illness
03
Shorter duration when sick
04
Healthier gut microbiome

Expected timeline: Foundational support immediately. Cumulative benefits in 2-3 months.

Your daily routine

07:30 · MORNING
  • · Vitamin D3 + K25000 IU D3 + 90 mcg K2
  • · Vitamin C (Buffered)1000 mg
  • · Multi-Strain Probiotic50B CFU, 15 strains
  • · Elderberry Extract1 tsp / 5 mL
22:00 · EVENING
  • · Zinc Picolinate15 mg

All product options

Each supplement has multiple trusted brands. Compare quickly and pick what fits your budget, all available from trusted retailers like iHerb and Amazon.

Vitamin D3 + K25000 IU D3 + 90 mcg K2
Full details →
NOW Foods Vitamin D-3 & K-2BESTSELLER
Vitamin D-3 & K-2
NOW Foods · 120 veg capsules
4.8$12
Buy on iHerb →Buy on Amazon →
Sports Research Vitamin D3 + K2EDITOR'S PICK
Vitamin D3 + K2
Sports Research · 60 softgels
4.8$15
Buy on iHerb →Buy on Amazon →
Doctor's Best Vitamin D3 5000 IU + K2BEST VALUE
Vitamin D3 5000 IU + K2
Doctor's Best · 60 softgels
4.7$11
Buy on iHerb →Buy on Amazon →
NOW Foods Vitamin C-1000 with Rose HipsBESTSELLER
Vitamin C-1000 with Rose Hips
NOW Foods · 250 tablets
4.8$14
Buy on iHerb →Buy on Amazon →
Nature's Way Vitamin C BufferedBEST VALUE
Vitamin C Buffered
Nature's Way · 100 capsules
4.7$11
Buy on iHerb →Buy on Amazon →
Thorne Vitamin C with FlavonoidsPREMIUM
Vitamin C with Flavonoids
Thorne · 90 capsules
4.8$23
Buy on iHerb →Buy on Amazon →
Thorne Zinc Picolinate 15mgBESTSELLER
Zinc Picolinate 15mg
Thorne · 60 capsules
4.8$12
Buy on iHerb →Buy on Amazon →
NOW Foods Zinc Picolinate 50mgBEST VALUE
Zinc Picolinate 50mg
NOW Foods · 120 veg capsules
4.7$9
Buy on iHerb →Buy on Amazon →
Solgar Zinc Picolinate 22mgEDITOR'S PICK
Zinc Picolinate 22mg
Solgar · 100 tablets
4.7$13
Buy on iHerb →Buy on Amazon →
Garden of Life Dr. Formulated Probiotics Mood+BESTSELLER
Dr. Formulated Probiotics Mood+
Garden of Life · 60 capsules
4.6$42
Buy on iHerb →Buy on Amazon →
Renew Life Ultimate Flora Extra CareEDITOR'S PICK
Ultimate Flora Extra Care
Renew Life · 60 capsules
4.7$38
Buy on iHerb →Buy on Amazon →
Now Foods Probiotic-10 50 BillionBEST VALUE
Probiotic-10 50 Billion
Now Foods · 100 veg capsules
4.7$36
Buy on iHerb →Buy on Amazon →
Sambucol Black Elderberry OriginalBESTSELLER
Black Elderberry Original
Sambucol · 120 ml
4.8$18
Buy on iHerb →Buy on Amazon →
Gaia Herbs Black Elderberry SyrupPREMIUM
Black Elderberry Syrup
Gaia Herbs · 89 ml
4.7$22
Buy on iHerb →Buy on Amazon →
Nature's Way Sambucus Elderberry GummiesBEST VALUE
Sambucus Elderberry Gummies
Nature's Way · 60 gummies
4.7$14
Buy on iHerb →Buy on Amazon →

Ready to adopt this stack?

Click any supplement above to choose your preferred brand. Most products ship globally via iHerb and Amazon.

Or get a personalised stack →

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For informational purposes only. Not medical advice. Always consult a qualified healthcare professional before starting any supplement regimen.

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