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Most companies create vitamins by chemical manipulation and synthesis, not from actual fruits and vegetables.
“Citric Acid”
Many juice companies use an ingredient called citric acid to extend the shelf life of their product. Most people would think this citric acid comes from citrus like lemons, oranges and limes, but not always. The ingredients most food manufacturers use to create citric acid are genetically engineered corn and sugar beets, by synthetically fermenting the glucose from these crops in a laboratory.
Also, some juice companies go as far as adding sugar (that could be from GMO sugar beets), high fructose corn syrup (from GMO corn) and/or other ingredients that could contain GMOs. Most GMOs have never been tested long term on humans, and are just now being linked to the rise in allergies, infertility and some auto-immune disorders.
So what juice should you buy?
Besides 100% organic juice, cold-pressing is the most nutritious way to obtain juice. First, the produce is ground into a fine pulp. Then a press applies thousands of pounds of pressure to the pulp extracting every ounce of juice that the fruit or vegetable has to give. This process gets all the vital nutrients from the pulp into the juice. Cold-Pressed juices have a longer shelf life than centrifuge or slow juicers.