1. Health

Deficiencies and Toxicities

Here's a look at some of the vitamin and mineral deficiencies that can occur as well as the problems you can have if you take too much of certain nutrients.

What Happens if I Don’t Consume Enough Sodium?
Is there such a thing as getting too little sodium in your diet? It's rare, but learn more how a sodium deficiency can occur.

Vitamin B-6 Deficiency Signs and Symptoms
Vitamin B6 is found a variety of foods. Deficiency isn't common, but it can occur in a few circumstances. Learn more bout the deficiency signs and symptoms.

Vitamin B-6 Toxicity Signs and Symptoms
Vitamin B6 supplements usually aren't needed, but if you do take them, it's important to know that excessive amounts can cause side effects.

Vitamin B-12 Deficiency Signs and Symptoms
Vitamin B12 is found in meats and foods that come from animals. Vegans and people with certain health conditions are prone to developing a deficiency of this vitamin. Here's a look at the causes and signs of a vitamin B12 deficiency.

Vitamin C Deficiency Signs and Symptoms
Vitamin C is a water-soluble vitamin your body needs for a healthy immune system and strong connective tissue. It's found in fruits and vegetables. Learn about the signs and symptoms of vitamin C deficiency.

How Many Servings for a Day's Worth of Vitamin C?
Vitamin C is found in fruits and vegetables. Here's a look at some of the foods that contain vitamin C, and how much of each individual food you'd need if that was your only vitamin C source for the day.

Vitamin D Deficiency Signs and Symptoms
You need sun exposure to be able to form vitamin D. You can develop a deficiency in the colder months so here's a look at the signs and symptoms of a vitamin D deficiency.

How Many Servings For a Day's Worth of Vitamin D?
It's difficult to get enough vitamin D from the foods you eat, unless you choose fortified foods. Here's a look at some foods that are good sources of vitamin D.

Vitamin A Deficiency Signs and Symptoms
Vitamin A is found in both plant and animal sources of food. Most people get enough vitamin A, but it is possible to be deficient. Learn more about the causes and symptoms of a vitamin A deficiency.

Iron Deficiency Signs and Symptoms
Iron is a mineral your body needs for your red blood cells to carry oxygen to all parts of your body. Iron deficiency is fairly common. Here's more about the causes and symptoms of an iron deficiency.

Can I Take Too Much Iron?
Iron is a dietary mineral that you need for the cells of your body to get enough oxygen. You must be careful when you take supplemental iron, because too much iron can become toxic.

Foods High in Iron
You may need to add foods that are high in iron to your daily diet. I've got a list of both plant and animal-based foods that contain lots of iron.

Calcium Deficiency Signs and Symptoms
Calcium is necessary for strong bones and teeth, blood clotting, and normal muscle and nerve function. Read about the signs and symptoms of calcium deficiency.

How to Increase Your Calcium Intake
You know you need more calcium, but you need some help. That's okay, I've got some tips for getting more calcium into your diet.

Magnesium Deficiency Signs and Symptoms
Magnesium is a mineral your body needs for a variety of biochemical reactions to occur and for normal nerve and muscle function.

Zinc Toxicity Signs and Symptoms
Zinc supplements are generally safe, but you can take too much. Learn more about zinc toxicity.

Zinc Deficiency Signs and Symptoms
Zinc is a trace mineral your body needs for many enzyme reactions. Zinc deficiencies aren't common, but they can happen. Learn about the causes and symptoms of a zinc deficiency.

Does Selenium Have Any Benefits or Side Effects?
Selenium is a trace mineral that works as an antioxidant. It's generally safe to take as a dietary supplement, but there are possible side effects that can occur if you take too much selenium.

Foods High in Potassium
Potassium is a dietary mineral commonly found in our diets. Find out which fruits and vegetables have the most potassium.

Why Is There So Much Sodium in Processed Foods?
Salt and other compounds that contain sodium are excellent food preservatives and flavor enhancers. That's why there's so much sodium in processed foods.

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