That could be a sign of stale ingredients or bitter cocoa.
Swallow it faster and don't chew!
Milk chocolate has a sweet taste. Dark chocolate has a very bitter taste. Sugar causes chocolate to become sweet.
Clouds Taste Metallic was created on 1995-09-19.
A metallic taste in your mouth will very likely come and go. The metallic taste most likely comes from blood in the mouth and will heal quickly.
Metallic silver
They have a plain chocolate taste, as well as fudgy taste
Like liquid chocolate. Melt some and taste
Taste of Chocolate was created on 1990-10-30.
Some medicines cause metallic taste. Example - metformin (glyciphage) used in the treatment of diabetes.
Blood does not taste sweet. It has a metallic taste due to the iron content. Taste perception can vary among individuals, with some describing it as salty or metallic.
Chocolate! What else?
The metallic taste is sometimes due to lack of moisture in the fruit and could be eliminated with proper watering.