BEWARE OF QUININE PRODUCTS THAT ARE EXPENSIVE AND DO NOT HAVE AS MUCH QUININE AS FOUND IN INEXPENSIVE TONIC WATER.

If we expose tonic water, in a dark room, to a black light, it will glow.

Therefore, if we want to find out if cinchona bark capsules, or quinine pills, have sufficient quinine in them, we need to dissolve 2 or 3 capsules or pills into a cup of warm water, then look at it under the black light. It should glow in a similar manner as tonic water does.

The following Quinine Capsules product has very little quinine, in fact, it took 3 capsules in a cup of water to get a little glow. I estimated that the price, per amount of quinine, is about 10 times more expensive than buying tonic water.

quinine capsules


REFERENCES:

https://en.wikipedia.org/wiki/Quinine

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