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health benefits of chocolate

Dark Chocolate is Very Nutritious
If you buy quality dark chocolate with a high cocoa content, then it is actually quite nutritious.

It contains a decent amount of soluble fiber and is loaded with minerals.

A 100 gram bar of dark chocolate with 70-85% cocoa contains :

11 grams of fiber.
67% of the RDA for Iron.
58% of the RDA for Magnesium.
89% of the RDA for Copper.
98% of the RDA for Manganese.
It also has plenty of potassium, phosphorus, zinc and selenium.
Of course, 100 grams (3.5 ounces) is a fairly large amount and not something you should be consuming daily. All these nutrients also come with 600 calories and moderate amounts of sugar.

Dark Chocolate is a Powerful Source of Antioxidants
Have you ever heard of a measure called ORAC?

ORAC stands for Oxygen Radical Absorbance Capacity. It is a measure of the antioxidant activity of foods.

Basically, researchers pit a bunch of free radicals (bad) against a sample of food and see how well the antioxidants in the food can “disarm” them.

The biological relevance of this metric is questioned, because it’s done in a test tube and may not have the same effect in the body.

However, I think it is worth mentioning that raw, unprocessed cocoa beans are among the highest scoring foods that have been tested.

Dark chocolate is loaded with organic compounds that are biologically active and function as antioxidants. These include polyphenols, flavanols, catechins, among others.

Dark Chocolate May Improve Blood Flow and Lower Blood Pressure
The flavanols in dark chocolate can stimulate the endothelium, the lining of arteries, to produce Nitric Oxide (NO), which is a gas

One of the functions of NO is to send signals to the arteries to relax, which lowers resistance to blood flow and therefore reduces blood pressure.

There are many controlled trials showing that cocoa and dark chocolate can improve blood flow and lower blood pressure, but the effects are usually mild