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Boosting Your Vitamin Intake Is Easier Than You Think

From colorful meals to smart supplements, here’s how to support your body’s needs with simple, effective habits.

If you're feeling tired, unfocused, or a little off, your body might be trying to tell you something and often, it’s about nutrients. Vitamins are essential for nearly every bodily function, from energy metabolism to immune defense and hormone production. While supplements can help, your daily habits, especially what’s on your plate, are the foundation of optimal vitamin intake.

Here are three easy and practical ways to get more of the vitamins your body craves no drastic diet changes required.

1. Eat the Rainbow Every Day

One of the simplest ways to get a range of essential vitamins is by filling your plate with colorful, nutrient-dense foods. The U.S. Dietary Guidelines recommend that 85% of your daily calories come from whole, nutrient-rich foods, and the more variety you include, the more likely you are to cover your nutritional bases.

Here’s a basic breakdown of the food groups to aim for daily:

  • Vegetables: Dark leafy greens, red and orange vegetables, legumes (beans, peas, lentils), starchy options like sweet potatoes and corn

  • Fruits: Whole fruits and 100% fruit juice in moderation

  • Grains: Prioritize whole grains like oats, quinoa, and brown rice

  • Protein: Eggs, lean meats, seafood, tofu, tempeh, nuts, and seeds

  • Dairy: Milk, yogurt, cheese, or fortified plant-based alternatives

  • Oils: Healthy oils like olive, avocado, and flaxseed

Color matters brightly colored fruits and vegetables are often packed with vitamins. For example, red bell peppers are rich in vitamin C, sweet potatoes offer beta-carotene (a form of vitamin A), and leafy greens are loaded with K, C, and B vitamins.

Pro tip: The deeper the color, the higher the nutrient density. Think berries, beets, spinach, and citrus.

2. Prioritize Vitamin-Rich Power Foods

Some foods are especially rich in multiple vitamins, making them excellent choices if you want more nutrients with fewer calories.

Here are standout options to incorporate regularly:

Food

Vitamins

Minerals

Broccoli

C, K, A

Potassium, calcium, iron

Asparagus

A, C, E, B-complex

Copper, potassium, selenium

Eggs

A, D, E, K, B1-B12

Choline

Chicken

B3, B6, B12, D

Phosphorus, magnesium

Berries

C, K, E, B6, B9

Potassium

Cruciferous vegetables

C, E, K, B9

Selenium, calcium, potassium

Milk (fortified)

A, D, B3, B5, B12

Calcium, iodine, zinc

Citrus fruits

C, B1, B3, B6, B9

Copper, calcium, potassium

Adding these foods to your weekly meal plan is a simple, natural way to improve your intake of key vitamins and minerals.

3. Use Supplements When Food Isn’t Enough

While food should be your primary source of nutrients, supplements can play a helpful role especially when dietary gaps exist due to health conditions, lifestyle, or dietary restrictions.

Common nutrient deficiencies in the U.S. include:

  • Vitamin D

  • Vitamin A

  • Vitamin C

  • Vitamin E

  • Iron (especially in menstruating individuals)

  • Zinc

Who might need supplements?

  • Pregnant people – especially for folic acid (B9)

  • People with osteoporosis – for calcium and vitamin D

  • Vegans and vegetarians – for vitamin B12, iron, zinc, and vitamin D

  • People with digestive issues (e.g., celiac disease) – may have trouble absorbing nutrients

  • Adults over 50 – often need more B12 and D due to decreased absorption with age

Steps to take before starting supplements:

  • Check the RDA (Recommended Dietary Allowance) for your age and sex

  • Use tools like the NIH DRI Calculator to get personalized nutrient recommendations

  • Get a blood test to identify any deficiencies

  • Talk to your healthcare provider to avoid interactions or overuse

Important: More isn't always better. High doses of vitamins like A, D, and iron can be harmful if taken unnecessarily or in excess.

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