Caffeine occurs naturally in over 60 different types of plants. The most common sources of caffeine in the Western diet are coffee, tea, cola, and energy drinks.

Soy coffee=low caffeine

Soy coffee is a coffee made using soy beans and coffee beans. Soy coffee is ideal for people who would like a healthier alternative to regular coffee. Soy coffee often has less caffeine than regular coffee.

Soy products are not recommended for people who are allergic to soy. Soy allergies are common, especially in children. For children and adults, the most common symptoms of an allergic reaction to soy include hives or irritation around the mouth. In extreme cases, allergies may trigger breathing problems that can result in death.

Soy products are not recommended for people who have hormone abnormalities. Soybeans contain chemicals that disrupt thyroid and sex hormone function.

What are the effects of caffeine?

Some of the most common short-term effects of drinking caffeine are:

  • increased alertness (caffeine is a mild stimulant)
  • makes your heart beat faster (caffeine is a mild stimulant)
  • makes you urinate more (caffeine is a diuretic)
  • increase risk of bone fractures
    • Studies show that drinking 4 or more cups a day can increase your risk of bone fracture.
      • Caffeine promote calcium excretion in urine.
      • Coffee drinkers often have significantly lower bone mineral density in the hip than those who limit their coffee intake.
  • raises your body temperature
  • makes your digestive system produce more acid

Caffeine can take 4 to 6 hours for the effects of caffeine to wear off.

How much caffeine is too much?

Moderate caffeine intake is probably not harmful to healthy adults. However, regular large amounts (over 350mg/day) may cause dependency, also called caffeinism and adversely affect health.

Large amounts of cola drinks (34 – 68 fl.oz per day) as well as daily morning coffee may also lead to excessive caffeine intake.

Can too much caffeine make you feel tired?

Yes. Too much caffeine will block receptors in your brain from receiving the neurotransmitter adenosine. Adenosine causes fatigue. While your brain is unable to receive adenosine, your body continues to produce it creating a buildup of adenosine in youu body. This buildup causes excessive fatigue and tiredness once the caffeine wears off.

Does decaf coffee have any caffeine?

Yes. Decaf coffee typically has about 2-6% of caffeine. The decaffeination process usually removes 94 to 98 percent of caffeine from a coffee bean.

What are the symptoms of excessive caffeine intake?

Some of the most common symptoms of excessive caffeine intake are:

Average amounts of caffeine content in common foods and beverages

Instant coffee 146
mg per cup
Cocoa 110
mg per cup
Decaffeinated coffee 4
mg per cup
Loose tea, 5 minute brew 40
mg per cup
Bag tea, 5 minute brew 46
mg per cup
Coca-cola 65
mg per 12-ounce can
Diet Dr. Pepper 54
mg per 12-ounce can
Dr. Pepper 61
mg per 12-ounce can
Mountain Dew 55
mg per 12-ounce can
Pepsi-Cola 43
mg per 12-ounce can
Excedrin 65
mg per tablet
Midol 132
mg per tablet
No-Doz 100
mg per tablet