• Hardy digestive tract
• Strong immune system
• Natural defenses against infections
• System designed for efficient metabolism and preservation of nutrients

• Intolerant to new dietary, environmental conditions
• Immune system can be overactive and attack itself

• Blood clotting disorders
• Inflammatory diseases (arthritis)
• Low thyroid production
• Ulcers
• Allergies
• Excess gastric acid production

Type O’s stomachs produce high hydrochloric acid, allowing them to digest animal protein favorably. Coffee will produce extra stomach acid, making them prone to peptic ulcers, especially if they are constantly under a great deal of stress.

• High protein/low carbohydrate
• Gluten-free
• Limited grains, beans, legumes, dairy

• AVOID wheat, corn, kidney beans, navy beans, lentils, cabbage, Brussels sprouts, cauliflower, mustard greens
• Consume more low glycemic foods, kelp, seafood, iodized salt, red meat, kale, spinach, broccoli.

• Vitamin B, vitamin K, calcium, licorice.
• Type O’s should supplement diet with sea kelp and seaweed containing natural iodine to stimulate their low thyroid and sluggish metabolism.

• Need intense physical exercise—aerobics, swimming, running, jogging, speed and hill walking, bicycling—for stress relief, general well-being

Take the Blood Type Diet as far as you want or need!