For vitamin A and D take cod liver oil, 2-3 tablespoons per day. For flu and cold take liposomal vitamin c. Here is how you can make your own:
https://docs.google.com/document/d/1LjedsbFTyhMi0LavDXxA15SKfRRcPRNa-WHtqGC2uOQ/edit

How to make liposomal vitamin c
How to make liposomal vitamin c Glass beaker This is about the same size as the glass beaker I use. The beaker holds two cups of liquid and is about 4 in in diameter https://www.amazon.com/1000ml-Griffin-Graduated-Karter-Scientific/dp/B006VYXZG0/ref=sr_1_4?crid=2CXBPOLJOI8HG&dchild=1&keywords=b...
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