All nutrient values are per 100g or 100ml. Source: USDA FoodData Central.
Vitamin D deficiency affects an estimated 42% of American adults — making it one of the most widespread nutrient shortfalls. While sunlight is the primary source, dietary vitamin D is important for those with limited sun exposure. The challenge: very few foods are naturally rich in vitamin D, so most dietary vitamin D comes from fortified products.
We analyzed 1.84 million food products with vitamin D data from the USDA FoodData Central database. The data reveals an interesting processing trade-off: the richest natural sources are minimally processed, but fortified products (which dominate the vitamin D landscape) require more processing.
Top 20 Highest Vitamin D Foods
Products ranked by vitamin d content per 100g, with processing scores.
Do high-vitamin d foods mean more processing?
Vitamin D presents a unique case in the processing-nutrition relationship. Natural vitamin D sources are limited: fatty fish (salmon, mackerel, sardines), fish liver oils, egg yolks, and UV-exposed mushrooms. These score Level 1-2 and provide meaningful but modest amounts.
The vast majority of dietary vitamin D comes from fortified products — milk, orange juice, cereals, and plant milks. These achieve higher vitamin D numbers but with more processing. Fortified milk (Level 2) is the most efficient middle ground.
For most people, a combination of moderate sun exposure, naturally vitamin D-rich fish, and modestly fortified dairy provides adequate vitamin D without relying on ultra-processed fortified products.
Top 5 vitamin d products, in detail
14-MONTH AGED PARMESAN SHAVED NATURAL CHEESE, 14-MONTH AGED PARMESAN
2.75 OZ UTZ "CRAB CHIP" POTATO CHIPS
3 CHEESE BLEND LOW-MOISTURE PART-SKIM MOZZARELLA, NOT SMOKED PROVOLONE & MILD CHEDDAR CHEESES, 3 CHEESE BLEND
3 CHEESE BLEND MAC & CHEESE A BLEND OF SHARP CHEDDAR CHEESE, PASTEURIZED PROCESS AMERICAN CHEESE & SWISS CHEESE, 3 CHEESE BLEND MAC & CHEESE
3 CHEESE MEXICAN STYLE A BLEND OF MONTEREY JACK CHEESE WITH JALAPENO PEPPERS, MUENSTER CHEESE & CHEDDAR CHEESE, 3 CHEESE MEXICAN STYLE
Best low-processing vitamin d options
These products combine high vitamin d content with minimal processing (Level 1-2 only). Proof that you don't need ultra-processed products to get excellent vitamin d.
Vitamin D by food category
Average vitamin d content and processing scores across food categories.
How much vitamin d do you need daily?
The RDA for vitamin D is 600 IU (15mcg) per day for adults up to 70, and 800 IU (20mcg) for those over 70. Many experts recommend 1,000-2,000 IU daily, especially for those with limited sun exposure. The upper tolerable limit is 4,000 IU/day. About 42% of US adults are deficient.
- 1Fatty fish (salmon, mackerel) provide 400-700 IU per 100g at Level 1 processing — the best natural food source
- 2Fortified milk provides 100-120 IU per cup at Level 2 processing — an efficient middle ground
- 3Egg yolks contain about 40 IU each — pasture-raised eggs may contain 3-4x more due to sunlight exposure
- 4UV-exposed mushrooms can provide 400+ IU per 100g — look for "UV-treated" or "high vitamin D" on the label
Ketzal for iPhone
Check What's Already In Your Kitchen.
Scan a barcode, on the shelf or in your pantry, and see both scores in seconds. Free, no account needed.
Scan It Free
Frequently asked questions
What foods are highest in vitamin D?
Fatty fish (salmon at 400-700 IU/100g), fish liver oils, UV-exposed mushrooms, and egg yolks are the best natural sources. Fortified milk, orange juice, and cereals provide additional dietary vitamin D.
Can I get enough vitamin D from food alone?
It is difficult. Most experts recommend a combination of moderate sun exposure (10-15 minutes several times per week), vitamin D-rich foods, and possibly supplementation — especially during winter months or for those with limited sun exposure.
How much vitamin D do I need daily?
The RDA is 600 IU for adults under 70 and 800 IU for those over 70. Many health organizations recommend 1,000-2,000 IU, especially for those with limited sun exposure. The upper limit is 4,000 IU/day.