In today's fast-paced world, many Americans turn to multivitamins as a quick fix for their nutritional needs. But health experts say relying solely on supplements may not be the most effective approach.Fox News Digital spoke with two medical professionals who shared their top food-based swaps for common multivitamin ingredients.AMERICA'S 'CAST IRON COWBOY' REVEALS WHY TRADITIONAL SKILLETS REMAIN THE ULTIMATE COOKING TOOLBelow are five doctor-approved foods that can help naturally replace or reduce your reliance on multivitamins.Some of these may be surprising.Dr. William Li — physician, scientist and author — noted that spinach is packed with necessary nutrients, including vitamins A, C, B1 (thiamine) and B2 (riboflavin).He told Fox News Digital the leafy greens also contain vitamins B3 (niacin), B6, B9 (folate) and E.'FOOD IS MEDICINE' MOVEMENT MAY BE KEY TO REVERSING HEALTH DECLINE: HERE'S WHAT TO EAT"Spinach can help lower blood pressure, which is important for cardiovascular health and stroke prevention," he said.Papaya is an excellent source of vitamins A and C, said Li, author of the 2019 book "Eat to Beat Disease."THIS JUICY SUMMER FRUIT HELPS BEAT THE HEAT WHILE BOOSTING HEART AND BRAIN, EXPERTS SAYThe tropical fruit also provides B5, B9 (folate) and E vitamins, supporting hormone, cellular and immune health, respectively."Papaya can help lower inflammation and improve immunity, as well as aid in digestion," Li said.Lentils are full of B vitamins, Li said, including B1 (thiamine), B2, B3, B5, B6 and B9.The legumes can "improve metabolism, lower bad LDL cholesterol and lower inflammation," Li noted.IS TEQUILA GOOD FOR YOU? EXPERT REVEALS WHAT MAKES IT A 'REASONABLE CHOICE' FOR DRINKERSDr. David Kahana, based in California, also recommended lentils, he told Fox News Digital. He suggested black beans or chickpeas as alternatives.These are "great for plant-based protein, B vitamins and gut health," the gastroenterologist said.Adding blueberries, raspberries, strawberries or whatever berry you prefer to your daily diet can be a game-changer, Kahana said.MONEY-SAVING STORAGE KEEPS YOUR BERRIES FRESHER FOR LONGER, EXPERT SAYSAll berries contain "powerful antioxidants" that help fight inflammation and support heart health, he said.Kahana recommended fatty fish, such as salmon and sardines, to cover daily nutritional bases.CLICK HERE TO SIGN UP FOR OUR LIFESTYLE NEWSLETTERThese fish are "packed with omega-3s for brain and heart health," he said.There's nothing wrong with a multivitamin — but Li said consuming whole foods is "always the best way" to get in your basic vitamins."This is because the foods supply not only the vitamins, but also an array of other useful macro- and micronutrients," he said.For more Lifestyle articles, visit foxnews.com/lifestyleIn his clinical work, Kahana emphasized that he always starts "with food first.""Then, [I] use supplements strategically when diet alone isn't enough," Kahana said."But I'm not anti-supplement," he added. "For people with restrictive diets, absorption issues or specific medical conditions, supplements can fill in gaps.""The goal is balance: Eat a nutrient-dense diet daily and use supplements where they truly make sense."