5 Reasons
Why Your
Flock Needs Immunity Booster This Winter
Immunity Booster is a double-concentrated water supplement with omega-3, oregano oil, turmeric and vitamins D3, D and E. One capful a day supports immune health, digestion and laying through the cold months.
ADD IT TO THEIR WATER
Slide 1 of 5
IMMUNE SUPPORT
ONE CAPFUL A DAY
NO EGG WITHDRAWAL
90-DAY GUARANTEE
1. Complete Immune & Gut
Support in One Capful
Support in One Capful
Pale combs, runny droppings and a quiet nest box are often the first signs a hen is running low. One capful a day covers what she needs, right in her water.
✓
Immune Health
✓
Digestion
✓
Energy + Foraging
✓
Red Combs
✓
Steady Laying
✓
Shells + Yolks
✓
Molt Recovery
✓
Bones + Muscles
✓
No Egg Withdrawal
✓
Safe for Chicks
2. A Visible Bounce-Back
for Thousands of Flocks
for Thousands of Flocks
Keepers tell me the change shows at feed time first: more energy, combs with color again, and more eggs in the box than the week before.
Virginia R. on Immunity Booster:
"After adding Immunity Booster to my waterer, my Easter Egger has been laying an egg every day for the last week!"
Erika K. on Immunity Booster:
"We saw the difference in a just a few days!"
"After adding Immunity Booster to my waterer, my Easter Egger has been laying an egg every day for the last week!"
Erika K. on Immunity Booster:
"We saw the difference in a just a few days!"
3. Four Natural Ingredients,
Double Concentrated
Double Concentrated
Every ingredient is named on the label and measured into one capful. One 16 oz bottle makes 16 gallons. Made in New Mexico with US-sourced ingredients.
Omega-3 (flaxseed oil)
Flaxseed-sourced omega-3 that supports a steady laying rate and adds to the nutritional value of her eggs.
Oregano oil
Concentrated oregano oil brings natural antioxidants to her daily water, backing up her defenses through the colder months.
Turmeric
A traditional spice that supports immune health, helps her cope with seasonal stress and supports egg quality.
Vitamins D3, D and E
Support a robust immune system, strong bones and overall vitality, which matters most when short winter days cut her sunlight.
4. Visible Changes in
Just a Few Weeks
Just a Few Weeks
Most keepers notice the first changes within a few weeks. The most common mistake is stopping too soon, so keep it in the water every day.
TRY IT FOR 90 DAYS
Week 1 · First signs
They drink it like normal water. Plenty of keepers say their girls drink more.
Most flocks take to it right away.
Weeks 2-4 · Visible changes
Brighter combs, more energy at feed time and firmer droppings.
96% would recommend Roosty's.*
Through winter · Full impact
Steadier laying in the short days, and a flock that bounces back after the molt.
Backed by our 90-day money-back guarantee.
5. You Keep Every Egg.
Safe for the Whole Flock.
Safe for the Whole Flock.
Immunity Booster is a non-medicated water supplement
made from natural ingredients. There's no egg withdrawal,
so you collect the eggs and eat them the same morning.
It's safe for birds of all ages, chicks included, and for
ducks, geese, turkeys and quail too.
made from natural ingredients. There's no egg withdrawal,
so you collect the eggs and eat them the same morning.
It's safe for birds of all ages, chicks included, and for
ducks, geese, turkeys and quail too.
Slide 1 of 3
ROOSTY'S IMMUNITY BOOSTER
FALL SALE: UP TO 50% OFF
2,000+ bought last month
One Capful a Day,
All Winter Long
All Winter Long
One capful in the water she already drinks
Four natural ingredients, double concentrated
Keep every egg. No withdrawal.
ADD IT TO THEIR WATER
Try it for 90 days. Not happy? Full refund.
Ships in 24 hours. Buy once or subscribe.
© 2026 Roosty's. Supplements for daily support.
Reviews are from verified Immunity Booster buyers. Results vary between flocks.
Roosty's products are non-medicated supplements designed to support healthy chickens. They are not intended to diagnose, treat, cure or prevent disease. If a bird is unwell, call your vet.