Transfer Factor® Classic – Foundational Immune Support
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Transfer Factor® Classic is the original, foundational immune support formula from 4Life—trusted for decades to help support and educate the immune system. Made exclusively from cow colostrum, this simple yet powerful formula helps your immune system recognize, respond to, and remember potential health threats, supporting daily wellness for the whole family.*
Ideal for ages 2 and up, Transfer Factor Classic delivers immune messenger molecules known as 4Life Transfer Factor®, which support immune communication and balance. This streamlined, single-source formula is perfect for those seeking pure, foundational immune support without added ingredients.*
Key Benefits
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Supports the immune system’s natural ability to recognize, respond to, and remember potential threats*
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Provides foundational immune and overall wellness support*
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Suitable for adults and children ages 2 and up*
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Made in an NSF cGMP–certified manufacturing facility*
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Simple, single-ingredient immune formula
Primary Support
Immune System • Overall Wellness*
Key Ingredient
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UltraFactor® – A proprietary concentrate of ultra-filtered 4Life Transfer Factor bioactive peptides sourced from cow colostrum
Product Details
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Serving Size: 3 veggie capsules
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Servings Per Container: 30
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Made in the USA with quality ingredients from around the world
Directions for Use
Take 3 capsules daily with 8 oz of fluid.*
For children or anyone who has difficulty swallowing capsules, capsules may be opened and the powder consumed as desired.
Why Choose Transfer Factor® Classic?
Transfer Factor Classic is the purest expression of 4Life’s immune science—simple, effective, and family-friendly. It’s the ideal starting point for anyone looking to support immune health with a time-tested, colostrum-based formula.*


