What is Vitamin B3?

Vitamin B3, also known as niacin, is an essential nutrient that plays a role in many important bodily functions, including:

  • converting food into energy
  • maintaining healthy skin, hair, and nerves
  • producing sex hormones
  • reducing inflammation
  • lowering cholesterol levels

Niacin is available in two forms: nicotinic acid and niacinamide. Nicotinic acid is the form that is most commonly used to treat niacin deficiency and high cholesterol. Niacinamide is the form that is found in most foods and supplements.

The recommended daily intake of niacin for adults is 16 mg for men and 14 mg for women. Niacin deficiency is rare in developed countries, but it can occur in people who have poor diets or who have certain medical conditions, such as alcoholism or malabsorption disorders.

Niacin is a water-soluble vitamin, which means that it is not stored in the body and any excess is excreted in the urine. Therefore, it is important to get niacin from food or supplements on a regular basis.

Some good sources of niacin besides microgreens include:

  • Meat
  • Fish
  • Poultry
  • Eggs
  • Dairy products
  • Nuts
  • Seeds
  • Whole grains
  • Fortified cereals

Niacin is generally safe when taken in recommended doses. However, high doses of niacin can cause side effects, such as flushing, itching, and liver damage. If you are taking niacin supplements, it is important to talk to your doctor about the risks and benefits.

Here are some of the benefits of vitamin B3:

  • Lowers cholesterol levels: Niacin can help to lower LDL (low-density lipoprotein) cholesterol, also known as “bad” cholesterol. It can also help to raise HDL (high-density lipoprotein) cholesterol, also known as “good” cholesterol.
  • Improves skin health: Niacin can help to improve the appearance of skin, including reducing the appearance of wrinkles and age spots. It can also help to treat acne and eczema.
  • Boosts brain function: Niacin may help to improve cognitive function, including memory and concentration. It may also help to protect against Alzheimer’s disease and dementia.
  • Reduces inflammation: Niacin has anti-inflammatory properties that can help to reduce pain and swelling. It may also help to protect against chronic diseases, such as heart disease and cancer.
  • Improves circulation: Niacin can help to improve blood flow and circulation. This can help to prevent heart disease, stroke, and other health problems.

How Much Vitamin B3 Do You Need?

Below are the values of Vitamin B3 recommended by NIH based on life stage.

Life StageRecommended Amount
Birth to 6 months2 mg
Infants 7–12 months4 mg NE
Children 1–3 years6 mg NE
Children 4–8 years8 mg NE
Children 9–13 years12 mg NE
Teen boys 14–18 years16 mg NE
Teen girls 14–18 years14 mg NE
Adult men 19+ years16 mg NE
Adult women 19+ years14 mg NE
Pregnant teens and women18 mg NE
Breastfeeding teens and women17 mg NE

Can You Have to Much B3?

Yes, it is possible to take too much vitamin B3.

The tolerable upper intake level (UL) for niacin is 35 milligrams (mg) per day for adults. This means that taking more than 35 mg of niacin per day is unlikely to cause any harm.

Vitamin B3 in Microgreens by Variety

These values are based on 100 grams of microgreens. Much more than you would eat of any one variety per meal. Be sure to remember the purpose of this course and of the values presented.

Microgreens VarietyDaily Value by % per 100-grams
NR =No data from reliable source
Amaranth4%
Arugula2%
Basil4%
Beet3%
Bok Choy4%
Borage5%
Broccoli4%
Brussel Sprouts5%
Buckwheat38%
Cabbage8%
Carrot6%
Cauliflower3%
Celery3%
Chervil<1%
Chives, Garlic4%
Cilantro6%
Cress, Upland6%
Dill*10%
Endive3%
Fennel*4%
Fenugreek7%
Kale7%
Kohlrabi4%
Leek2%
Lettuce2%
LovageReported to have.
Mustard5%
Nasturtium*1%
Onions1%
Parsley8%
Pea13%
Radish14%
ShungikuNR
Sorrel3%
Spinach3%
Sunflower12%
Swiss Chard3%
Tat Soi3%
Tokyo BekanaNR
Turnip*4%

Calculate the %DV based on Your Serving Size

You can use the calculator below to estimate the %DV of Vitamin B3 based on your average serving size. If you weighed your microgreens in ounces, you can use the first row to calculate the weight in grams and then enter that value into the lower calculator.

Vit B3 (#17)
oz
gr
grams
%

The amount of microgreens you added to your meal contains the following %DV of Vitamin B3.

%
mg

For More Information on Vitamin B3

Click here for more information on Vitamin B3 from the National Institute of Health.