is there any harm in eating argo starch?

Answer 1

If you are eating wierd stuff like this, this is called pica...you might be low on iron...anemic

or you could be diabetic and your sugar could be low, but more likely low on iron

What is pica?

Pica is a compulsive eating behavior characterized by cravings to chew unnatural or non-nutritious substances such as clay, dirt, starch, baking soda, and a host of other "non-foods," and ice. It may signal a nutritional deficiency of iron.
What causes pica?

The cause is not completely known. Historically, pica has occurred during times of famine or when individual diets lack certain nutrients or have increased demands for proper nutrition (such as during growth or pregnancy). Diets low in iron and zinc, in particular, are often linked to pica. Some cases of pica stem from cultural beliefs and superstitions, or may result from physiological or psychological needs. Poverty and poor nutrition can contribute to the onset of pica.
http://www.argostarch.com/faq.asp

Answer 2

Since you have this Question in the Vegetarian/Vegan category, I assume you mean "is it OK to eat if you're a vegan?"

In that case, yes, it's OK. Cornstarch (Argo is just one of many brand names) is made from nothing but corn.

(and eating it "straight up" won't cause any physical harm, either. But why would you want to?)

Answer 3

If you mean cornstarch, no, but why would you want to? It's mainly used for thickening sauces and gravies.