← DiscoverNutrient 
Almonds
Longan
Shiitake mushrooms
Mackerel
YogurtAlmond butterVitamin B complex
Eggs
Beef kidneyVenisonSkyrBeef liverNutritional yeastMilkMaitake mushroomQuark
Goat cheeseSalmonButtermilk
SquidPortobello mushroomsBeefCheddar cheeseCheeseMultivitaminEnoki mushroomFortified yogurt (with vitamin D)Greek yogurtKefir
Spinach
Maple syrup
Chicken liver
Breakfast cereal (fortified)Mushrooms
Riboflavin
Established research area
A water-soluble B vitamin (B2) involved in energy metabolism and helping other B vitamins work. Found in milk, eggs, almonds, and lean meats.
Commonly noted
- Commonly noted
- Riboflavin (vitamin B2) is a water-soluble vitamin the body uses in energy metabolism and to help other B vitamins do their work; milk, eggs, almonds, and lean meats are common sources.
- Low intake
- Low riboflavin intake is commonly discussed in relation to cracks at the corners of the mouth, a sore throat, and a swollen tongue.
- Higher intake
- Riboflavin from food and supplements has not been shown to cause harm, and no upper intake level has been set; high amounts can turn urine bright yellow.
Source: NIH ODS
Reference intakes
General reference figures for a typical adult — not a personal target or a claim of need.
- rda · adult_female1.1 mgDRI/NASEM
- rda · adult_male1.3 mgDRI/NASEM
Commonly found in
AlmondsLonganShiitake mushroomsMackerelYogurtAlmond butterVitamin B complexEggsBeef kidneyVenisonSkyrBeef liverNutritional yeastMilkMaitake mushroomQuarkGoat cheeseSalmonButtermilkSquidPortobello mushroomsBeefCheddar cheeseCheeseMultivitaminEnoki mushroomFortified yogurt (with vitamin D)Greek yogurtKefirSpinachMaple syrupChicken liverBreakfast cereal (fortified)MushroomsFeelments is for personal tracking and general wellness education. It does not provide medical advice, diagnosis, or treatment.