This one details some of the downsides (though many of them are symptomatic of allergic reactions):# Supports digestive function
# Constricts and tones tissues
# Relieves congestion
# Relieves pain and stiffness of muscles and joints
# Relieves menstrual discomfort
# Blood-thinning compounds that stimulate circulation
# Anti-inflammatory compounds that may relieve arthritis
# Helps prevent urinary tract infections, tooth decay and gum disease
# It’s a powerful anti-microbial agent that can kill E. coli and other bacteria
* Breathing problems or tightness in your throat or chest
* Chest pain
* Skin hives, rash, or itchy or swollen skin
* Skin burns have been reported with Cinnamon oil (5,6)
* Mouth sores have occurred with Cinnamon chewing gum (7,8,9) and Cinnamon toothpaste (10,11)
* Increased heart rate (pulse), feeling dizzy, shortness of breath, and redness of the face may occur if you take too much Cinnamon (5,12)