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Immune System Formulas
Boost your immune system with our organic herbal supplements. Dr. John Christopher's clinically tested formulas for a professional strength product made in the USA. No imported herbs.
More information on how to layer immune system formulas is in our free product catalog & also under our Healthy Guidelines section.
"Your tinctures are worth the extra effort of international ordering. I enjoy your radio show as well. I listen to the show when I travel for work." Greg D. Saskatchewan, Canada