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Immunity Boost Tonic

Fall & Winter Formula


Feeling discouraged by the lack of natural, alternative products on the market? Invest in your body, mind, and overall health with Smart Leaf’s all natural supplements and get your system back on the path to harmony and balance.* Click to learn more about Smart Leaf’s line of all natural supplements, including the popular immune system booster from Dr. Lu.*

KIDS Immunity Boost Tonic

Fall & Winter Formula


Frustrated with Western Medicine’s lack of natural options when dealing with your child’s illnesses?  Worried about the daycare germs and are seeking an alternative and holistic approach to preventative care? Click to learn more about Smart Leaf’s “Kids” line of all natural supplements, including the popular immune system booster from Dr. Lu.*

Customer Testimonials

Hear from real Smart Leaf customers!

Katie B.

“We’re very thankful for Smart Leaf’s Immunity Tonic for kids. Our daughter loves the taste and we’ve seen great results in her appetite, digestion, and her body’s ability to stay healthy. Thanks, Dr. Lu!”

A. David Peter, MD FACS

“When my children’s pediatrician says their illness is viral and there’s nothing they can do, it’s very discouraging. Luckily, we found Smart Leaf Immunity tonics to help my kids get back on track to good health. Our family uses this every day and have noticed a big improvement in each one of our overall health and well being.”

Y. Hong

“My daughter was born premature and has always been more susceptible to colds during the season changes due to her low immune function.  Thanks to Dr. Lu’s Immunity tonics, her body doesn’t fall to illness as often and when she does get sick, she’s able to fight off the cold in just a few days.  She enjoys the taste and we especially like that it’s all-natural, with no added sugar or preservatives.  The tonic for kids has helped improve my daughter’s health and overall well being. She’s more energetic than ever before. I’ve even began taking the adult version myself.  I just want to thank Dr. Lu for sharing this amazing tonic with us.”

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