Vitamin D is a crucial nutrient playing a vital role in several bodily functions, including immune defense, the prevention of osteoporosis, and maintaining heart health. While it can be found in some foods like salmon and trout, a surprising number of beverages also contribute to its intake. This article explores four key beverages that can help boost your daily vitamin D levels.

First among these is **Fortified Milk**. Since the 1930s, vitamin D has been voluntarily added to cow’s milk in the U.S., with most products now being fortified to assist Americans in meeting their nutritional needs. According to the U.S. Dairy Council, vitamin D-fortified milk must contain between 100 and 150 International Units (IU) per 8-ounce serving. For instance, a single cup of 1% fortified milk provides approximately 104 IU, accounting for 17% of the Daily Value. Beyond vitamin D, fortified milk also offers other essential nutrients such as calcium, phosphorus, potassium, and protein. For those who are not regular milk drinkers, experts suggest incorporating it into other beverages, such as coffee, as a healthier alternative to creamers made from corn syrup or vegetable oils.

Next up are **Fortified Plant-Based Milks**. The fortification of vitamin D is not exclusive to dairy. Many plant-based alternatives, including soy, almond, cashew, rice, and pea milks, are also fortified. However, as with dairy milk, this fortification is not universally mandated, so consumers are advised to check product labels carefully for vitamin D content. While many plant-based milks aim to match the vitamin D levels of fortified cow’s milk, there can be significant variations between brands; for example, some almond milks offer 25% of the Daily Value, while others may contain none.

**Fortified Orange Juice** also serves as a notable source. Vitamin D fortification in orange juice began in the 1990s, and today, a single cup can provide around 100 IU of vitamin D (17% DV). Fortified orange juice often comes with additional benefits, typically supplying calcium, which is crucial for bone health, and potentially other beneficial nutrients like vitamins A and E, with some varieties offering over 60% of the Daily Value for calcium.

Finally, **Mushroom Broth** presents a unique, naturally sourced option. Mushrooms are distinctive among plant-based foods for their natural vitamin D content, which can be harnessed when they are simmered into a drinkable broth. The vitamin D level in mushroom broth depends on whether the mushrooms were treated with UV light to enhance their vitamin D content and how they were processed into the broth. A 2025 study indicated that longer boiling times might reduce vitamin D availability. Therefore, when making homemade mushroom broth, it is recommended to use UV-treated mushrooms and minimize simmering time to preserve the vitamin.

Regarding daily intake, the Recommended Daily Allowance (RDA) for vitamin D in adults is 600 IU per day, with a safe upper limit of 4,000 IU for most adults. It is extremely difficult to consume excessive amounts of vitamin D from food alone, and low vitamin D levels are far more prevalent globally than excessively high ones. However, it is possible to consume harmful amounts through supplements. While fortified beverages are an excellent starting point for increasing vitamin D intake, whole foods remain key. Experts suggest incorporating fatty fish like rainbow trout, salmon, tuna, and sardines as they are among the richest dietary sources. Egg yolks and certain mushroom varieties also contribute, and many other foods, such as yogurt, cheese, and cereals, are often fortified. Regardless of the source, a crucial tip for optimal absorption is to consume vitamin D-rich foods alongside healthy fats like olive oil, avocado, nuts, or seeds, as vitamin D is a fat-soluble vitamin.