Formula I®
Essential nutrients for immune support*
One easy-to-take capsule supplies nine immunity-supporting nutrients, which provide daily immune system defense.* The Shaklee research team developed this exclusive synergistic blend of vitamins and minerals that are vital for immunity.*
Retail Price:
$25.95
$0.43/day
Member Price:
$22.10
- Members receive 15% off all orders plus free shipping on orders of $150+.
- Members unlock Loyalty Rewards to earn Points for Free Products.
- Add Membership for $19.95 OR Spend $150 and get Free Membership added to cart.
Every 30 Days
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Shaklee Loyalty Rewards
You'll automatically receive these benefits once you set up a Loyalty Order of $100+. Keep your health on track with consecutive monthly orders and earn up to 15% back in Points.
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Earn up to 15% Back in Points
Months 1-3 = 5%
Months 4-6 = 10%
Months 7+ = 15%
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One Point is worth $1, redeemable for free Shaklee products.
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Receive a gift during your birthday month with your Loyalty Order.
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Gluten Free
To keep your immune system strong and in good working order, Immunity Formula I provides the essential nutrients for healthy immune function. Full nutrition potency is guaranteed with ShakleeGuard®, a patented blend of antioxidants and rosemary extract.
Adults take 1 capsule daily.
100% Garantía de devolución de tu dinero. Incluso si está 100% agotado.
Ratings & Reviews
Rating Snapshot
Average Customer Ratings
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Formula I - Helping me stay healthy since Shaklee first introduced it.Formula I is easy to swallow with a small glass of water. There are no bad side effect, only good ones!
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Immunity FormulaAwesome product! Can definitely feel a difference. Love to know that the product is safe and proven to work! Would HIGHLY recommend!
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I really like Formula I.When I added Formula I to several other immunity products, my immune system got stronger. Don’t ever stop making Formula I. I take it all year around now.
Showing 1 - 3 of 7 reviews