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4Life Transfer Factor® Classic

$52.00 $39.00

4Life's original immune system support supplement* Our original UltraFactor XF® for safe and proven immune system support*


Main Features

Supports the immune system’s natural ability to recognize, respond to, and remember potential threats*Boosts natural killer (NK) cell activity by up to 204% *

Supports

Primary Support: Immune System, Overall Wellness*