For tiredness, B vitamins (especially B12, B6, Folate), Vitamin D, Iron, and Magnesium are crucial as they help convert food into energy, support metabolism, and maintain vitality; while deficiencies in these can cause fatigue, supplements only help if you're lacking, so a balanced diet rich in these nutrients (like leafy greens, lean meats, nuts) is key, and consulting a doctor for persistent tiredness is recommended.
One of the best vitamins for energy is Vitamin B12, which helps convert food into energy. It's commonly found in meat, dairy, and fortified cereals, but many people find they need a supplement to meet their daily requirements. Vitamin D also plays a key role in maintaining your energy levels.
Vitamin and mineral deficiencies, including B2, B3, B5, B6, B9, B12, C, D, iron, and magnesium, are among the most common causes of unexplained fatigue. Vitamin D deficiencies affect over 50% of the global population, and approximately 12.5% have iron deficiency anemia.
Vitamin B12 is the best vitamin supplement for treating tiredness and fatigue. This essential nutrient helps your body produce energy and keeps you feeling less fatigued both physically and mentally.
Vitamin B12 and magnesium affect energy levels in other ways as well: Vitamin B12 supports the formation of red blood cells, which helps deliver oxygen to the brain and muscles, thereby reducing fatigue. 3. Magnesium promotes relaxation and sleep, boosting energy, while low levels may impair thinking and cause fatigue.
B12 deficiency can trigger specific food cravings, most notably for meat, fish, or eggs, as the body seeks animal-based sources to replenish the vitamin, especially in those on vegetarian/vegan diets or older adults. While cravings for sugary or salty foods can also signal general B-vitamin issues, the distinct urge for protein-rich animal products is a key indicator, but professional testing is crucial for confirmation.
Absolutely! In fact, B12, Vitamin D, and Magnesium taken together may create synergistic effects and optimize the way they are all used by the body. Your body uses Vitamin D to absorb calcium. Along with calcium absorption, Vitamin D also has antioxidant and neuroprotective cellular functions.
Studies have suggested that coenzyme Q10 (CoQ10) and nicotinamide adenine dinucleotide (NADH)—common antioxidant dietary supplements with known cardioprotective effects—might relieve symptoms of chronic fatigue syndrome (CFS).
Vitamins and minerals are essential for bodily functions such as helping to fight infection, wound healing, making our bones strong and regulating hormones.
Including more food sources of B12 in your diet or taking supplements may help to reduce fatigue caused by vitamin B12 deficiency. One of the health benefits of vitamin B12 is its support of your natural energy levels. B12 can help you raise your energy levels naturally through its role within red blood cell formation.
Many cases of tiredness are due to stress, not enough sleep, poor diet and other lifestyle factors. Try these self-help tips to restore your energy levels. If you feel you're suffering from fatigue, which is an overwhelming tiredness that isn't relieved by rest and sleep, you may have an underlying medical condition.
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Possible causes. Because the cause of ME/CFS is not known, many potential causes are being studied. These include infections, how the body uses energy, how people respond to infection, inflammation, toxins or injury, and genetics.
Specific supplements like CoQ10, L-carnitine, and B vitamins alleviate fatigue, while Omega-3 fatty acids, Vitamin D, and probiotics may help reduce inflammation and support immune health. A personalized approach to supplement use is essential for managing CFS.
“Big 3”: Omega-3, Vitamin D3, Probiotics.
The Bottom Line
Vitamin D vs D3, what's the difference? Technically, vitamin D relates to both vitamin D2 (which comes from plants) and vitamin D3 (which the body produces naturally and also comes from animal foods). However, both forms function similarly in the body.
Vitamin B complex mostly helps your body's cells grow and develop. The vitamins that make up B complex help your nerves, help make red blood cells, support your immune system by helping make white blood cells and T cells, and may even destroy free radicals that cause damage to your body.
Thankfully, there are ways you can help manage, or work around your fatigue. The Four P's reminds us of some ways to help conserve and save energy for the things that are most important. The Four P's are Problem solving, Planning, Prioritising, and Pacing.
Avoid alcohol and substance use: Don't use illegal drugs, and drink alcohol in moderation, if at all. Eat a healthy diet: A balanced diet and plenty of water will keep your body nourished and hydrated. Manage stress: Yoga, mindfulness, meditation and regular exercise can help you relieve stress and gain more energy.
The Role of Magnesium in the Body
Without enough magnesium, ATP can't be properly activated, leading to fatigue and sluggishness [2]. Magnesium also plays a significant role in nerve transmission [3], allowing for smooth and efficient signals between your brain and body.
If you're taking a magnesium supplement, let your prescriber know before starting these medications. Calcium and high doses of zinc may prevent your body from absorbing magnesium. Separating these supplements can help ensure you're getting the amount you need.
Magnesium deficiency symptoms start mild with fatigue, weakness, loss of appetite, nausea, vomiting, and headaches, but progress to more severe issues like muscle cramps/spasms, numbness, tingling, anxiety, insomnia, abnormal heart rhythms, and even seizures, affecting nerve, muscle, and brain function crucial for overall health.
Vitamin D deficiency often has subtle or no symptoms but can cause fatigue, bone pain, muscle weakness/cramps, mood changes (depression), slow wound healing, frequent illness, and hair loss; in children, severe deficiency leads to rickets (bowed bones), while in adults, it increases risks for osteoporosis and fractures.