Best Vitamins And Supplements For Energy In 2024 (2024)

Here are the vitamins involved in metabolic processes that impact your energy and their recommended amounts, according to the National Academy of Medicine’s Dietary Reference Intakes (DRIs).

Note: There are risks associated with taking too much of certain vitamins and minerals, such as iron and vitamins A and D. Some vitamins also interact with medications. Always check with your physician or a registered dietitian nutritionist before adding any vitamin supplements to your wellness regimen.

The B Vitamins

B vitamins work together to help the body produce energy, says Roberta L. Duyff, a registered dietitian nutritionist and author of Academy of Nutrition and Dietetics Complete Food & Nutrition Guide. Each one, except folate, plays a part in at least one step of the energy production system within the cell, according to a review of vitamins and minerals for energy, fatigue and cognition in the journal Nutrition^[1]Tardy AL, Pouteau E, Marquez D, et al. Vitamins and Minerals for Energy, Fatigue and Cognition: A Narrative Review of the Biochemical and Clinical Evidence. Nutrients 2020, 12(1), 228. . Key B vitamin players include:

Vitamin B-1 (Thiamine)

Thiamine helps turn the food you eat into energy. Although most Americans don’t suffer from vitamin B-1 deficiency, people with diabetesor alcohol abuse disorder or who are older may not get enough thiamine. Symptoms of vitamin B1 deficiency include muscle weakness and confusion.

Found in: Whole grains, meat, fish, legumes and seeds

Recommended daily amounts:

Women: 1.1 milligrams
Men: 1.2 milligrams
Pregnant people: 1.4 milligrams
Breastfeeding people: 1.4 milligrams

Note: Some medications can lower a person’s thiamine levels.

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Vitamin B-2 (Riboflavin)

Riboflavin also helps turn the food you eat into energy. Over time, a severe vitamin B-2 deficiency can lead to weakness and fatigue. Most Americans get enough riboflavin, but those who may not include vegans, vegetarian athletes, pregnant or breastfeeding people and people who don’t eat dairy.

Found in: Eggs, meats, milk, green vegetables and fortified cereals

Recommended daily amounts:

Women: 1.1 milligrams
Men: 1.3 milligrams
Pregnant people: 1.4 milligrams
Breastfeeding people: 1.6 milligrams

Note: There are no harmful effects of vitamin B2, and it typically does not interact with medications.

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Vitamin B-3 (Niacin)

Niacin is another B vitamin that helps turn food into energy. Although a deficiency in this vitamin is rare, people who may not be getting enough include those who are undernourished due to anorexia, alcohol use disorder and inflammatory bowel disease.

Found in: Poultry, beef, pork, fish, nuts, legumes and fortified breads

Recommended daily amounts:

Women: 14 milligrams
Men: 16 milligrams
Pregnant people: 18 milligrams
Breastfeeding people: 17 milligrams
(These amounts include niacin equivalents, meaning a combination of niacin you consume and niacin that is converted from tryptophan in foods.)

Note: Dietary supplements with at least 30 milligrams of nicotinic acid can cause itchy skin, redness, rashes, headaches and dizziness.

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Vitamin B-12

Vitamin B12 contributes to keeping your blood and nerve cells healthy. Though most Americans consume vitamin B-12 from food, older adults and people who eat little or no animal-based foods can become deficient. If you don’t get enough vitamin B-12 over time, you may feel tired or weak or experience pale skin, palpitations, loss of weight and appetite, infertility and nerve damage. Vitamin B-12 deficiencies can also cause depression and memory problems.

Found in: Fish, meat, poultry, eggs, milk, clams, beef liver and nutritional yeast

Recommended daily amounts:

Adults: 2.4 micrograms
Pregnant people: 2.6 micrograms
Breastfeeding people: 2.8 micrograms

Note: Even in high doses, Vitamin B-12 has not been shown to cause harmful side effects.

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Iron

“Iron is responsible for producing hemoglobin in red blood cells that carries oxygen through your entire body,” says Cornell. “If you’re tired and feeling physically weak, you may not be getting enough iron.” An iron deficiency can also cause difficulty concentrating and trouble fighting off germs. People who may suffer from iron deficiency include women with heavy periods, pregnant people and those who don’t eat meat, poultry or seafood. People with certain gastrointestinal diseases may also not get enough iron.

Found in: Lean meat, seafood, poultry, spinach, lentils, kidney beans and nuts

Recommended daily amounts:

Women 19–50 years old: 18 milligrams
Men 19–50 years old: 8 milligrams
Adults 51 years and older: 8 milligrams
Pregnant people: 27 milligrams
Breastfeeding people: 9 milligrams

Note: Iron can cause stomach pain, nausea and constipation, as well as decrease the body’s ability to absorb zinc. “A chelated form of supplemental iron is usually easier on the digestive system,” says Cornell. (Chelated means that it has been manufactured to be more easily absorbed.) Also, iron supplements should be kept out of reach from children, as an accidental overdose can be fatal.

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Magnesium

Magnesium helps regulate muscle and nerve function, among other roles. “Magnesium is an electrolyte, as are potassium, sodium, calcium and chloride,” says Cornell. “They facilitate communication between tissues and organs in the body.” To explain how electrolytes work, Cornell compares them to electric poles with wires that connect them—there is a current that travels from the poles to homes. Electrolytes are like the electrical currents that travel between the poles that allow the communication to happen, such as when your brain sends a message to your bicep to pick something up. Muscle cramping and weakness can be common symptoms of an electrolyte deficiency, says Cornell.

Symptoms of magnesium deficiency include muscle cramping, nausea, vomiting, loss of appetite and fatigue. People with type 2 diabetes, long-term alcohol use disorder or gastrointestinal diseases like celiac disease are more likely than others to have a magnesium deficiency.

Found in: Dark leafy greens, legumes, nuts, seeds, whole grains, milk, yogurt and fortified cereals

Recommended daily amounts:

Women: 310–320 milligrams
Men: 400–420 milligrams
Pregnant people: 350–360 milligrams
Breastfeeding people: 310–320 milligrams

Note: Magnesium supplements may interact with certain medications.

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Beyond these particular vitamins and minerals, lifestyle factors can play a significant role in energy metabolism. Consider the following suggestions for a natural boost.

• Follow an overall healthy diet. Need specifics? Check out MyPlate from the the U.S. Department of Agriculture (USDA), says Duyff.
• Keep up your fiber intake. “If you’re not getting enough carbohydrates in your diet, you’re likely not getting enough fiber,” says Cornell. To boost energy, she suggests eating more whole fruits and starchy vegetables like potatoes, corn, legumes and winter squash, as well as whole grains.
• Get plenty of sleep. Lack of energy may also simply be the result of not getting enough sleep, says Cornell.
• Drink water. Don’t forget to stay hydrated throughout the day, says Cornell, especially if you’re older. “As we age, thirst and hunger diminish.”

“Energy comes from an overall healthy diet,” says Duyff. “If people are following the ‘MyPlate,’ guidance, they’re going to be adequately nourished,” she says, referring to the USDA dietary guidelines. Severe vitamin deficiencies are rare, says Duyff, but some dietary habits can skip over important vitamins and other nutrients that affect energy metabolism. Examples of such habits include:

• Not eating a wide variety of foods. “Typically, when there is an energy issue, it comes from ongoing nutrient deficiencies due to dietary restrictions or a lack of variety in the diet,” says Cornell. “If you’re on a restrictive diet, you’re likely not obtaining certain nutrients.” For example, if you follow a vegan diet, you might not be getting enough vitamin B12 from the food you’re eating since the best sources of B12 are animal-based foods. Iron is present in plant foods, but your body doesn’t absorb it as well as the iron in animal-based foods. In this case, the U.S. Dietary Guidelines for Americans recommend adding a supplement to your wellness regimen.
• Following a fad diet. “If you’re following a low-carb fad diet like paleo or keto, you’re missing out on many of the key vitamins and minerals found in foods that contain carbohydrates that are necessary for energy production,” adds Cornell. B vitamins are among the most important of these nutrients.
• Having digestive tract issues. People with digestive tract issues, such as Crohn’s disease or colitis, as well as picky eaters are also at risk of not getting enough nutrients for energy, says Cornell.
• Consuming too few calories. “If a person is trying to lose weight and they’re cutting back on calorie intake or over-exercising, they may be over-training and underfeeding,” says Cornell. “This is not good for weight management nor energy.”

Which Vitamin Deficiency Causes Fatigue?

Certain nutrient deficiencies may be the culprit behind low energy. Here are the top vitamin and mineral deficiencies that may cause fatigue, according to experts at Harvard Health Publishing:

• Iron: Insufficient iron stores in the body may lead to iron-deficiency anemia. Symptoms of the condition include fatigue, dizziness and difficulty concentrating, among others.
• Vitamin B12: Lack of vitamin B12 may also contribute to anemia, as the body needs sufficient amounts of this nutrient to produce healthy red blood cells.
• Vitamin D: Your body needs adequate levels of vitamin D to support bone and muscle strength. While your body can produce vitamin D when your skin is exposed to sunlight, there aren’t many natural food sources that contain this nutrient.

“Nutrients that yield energy are carbohydrates, protein and fat—especially carbohydrates,” says Duyff. Though vitamins and minerals don’t provide energy directly, they do work within the body to trigger processes that produce energy.

Vitamins and minerals play an essential role in supporting fundamental cellular functions, such as metabolizing food into energy, transporting oxygen through the body and supporting brain and muscle function. Having inadequate levels of certain nutrients in the body like B vitamins, magnesium and iron can impact an individual’s energy levels, including mental and physical fatigue.

How Long Do Energy Supplements Take to Start Working?

How long it takes for a certain supplement to start working depends on factors like the type of supplement and an individual’s personal health history. For instance, individuals with iron-deficiency anemia may start to notice improvements in energy levels within two to three weeks of regularly taking iron supplements, whereas other individuals may notice improvements in energy after one week. Meanwhile, it can take a few weeks for most individuals to notice an improvement in energy levels when taking vitamin B supplements.

To find the best energy-boosting supplements for you, consult with your health care provider about your diet and symptoms. Your doctor can help determine if you would benefit from adding a supplement to your routine and help you discover which nutrients you may be deficient in. Alternatively, consider taking an at-home vitamin deficiency test for a look into your nutrient levels.

Although occasional bouts of low energy are a relatively common experience, there are instances where it may make sense to speak with a health care provider about your symptoms, including:

• Your fatigue lasts longer than one to two weeks
• You often wake up exhausted despite getting enough sleep
• You struggle to engage in activities that are usually easy
• You feel unmotivated to start your day

To determine the cause of your symptoms, your doctor may order blood tests to identify conditions like anemia or hypothyroidism or review your medications for possible side effects. Additionally, blood tests may reveal whether you’re deficient in nutrients like vitamin D, iron and B12.