Heart & Circulation

Oats

A whole grain whose beta-glucan fiber is one of the most consistently replicated foods for lowering LDL cholesterol.

Heart Health

Gut Health

Energy

Serving

1/2 cup dry (40g)

Calories Per Serving

156

Key nutrients

Beta-glucan fiber, manganese, avenanthramides

Nutrient density

Why it’s worth eating

Oats are high in fiber, especially beta-glucan, which helps lower cholesterol. They also provide B vitamins and iron. Use oats for breakfast porridge, granola bars, or healthy cookies.

What you may notice

Satiety through the morning
Digestive comfort

Markers worth tracking

LDL cholesterol
Fasting blood glucose

How to eat it

Choose steel-cut or rolled over instant, less processing means a lower glycemic impact and more intact beta-glucan.

Pairs well with

Fruit, adds vitamin C and flavor while keeping the meal whole-food based
Nuts or seeds, adds healthy fat and protein for a steadier blood sugar response

Storage

Store in an airtight container in a cool, dry place; keeps for up to a year.

The numbers, per 1/2 cup dry (40g)

Vitamin K

Vitamin A

Vitamin C

Calcium

10%

Iron

17%

Magnesium

Potassium

Vitamin B12

Vitamin D

Fiber

4.2g

Oats (raw) (FDC 169705)

Evidence

Large, consistent RCT meta-analysis for LDL lowering. Effect size is modest and depends on dietary compliance.

Study dose vs. serving

Median 3.5 g/day beta-glucan lowered LDL 0.19 mmol/L (~4.2%). About 3 g beta-glucan = 1 cup cooked oats. Achievable from food.

Ho HVT, Sievenpiper JL, Zurbau A, et al. Br J Nutr. 2016;116(8):1369-1382. DOI 10.1017/S000711451600341X. 58 RCTs, n=3974.

Use caution if

You have celiac disease, choose oats certified gluten-free, as cross-contamination during processing is common
You're newly increasing fiber intake, start with smaller portions to avoid bloating

Details

Type

Carbs

Season

Pantry, year-round

Forms

Rolled, steel-cut, instant, flour

Price

Budget

Bioactive

Beta-glucan (soluble fibre)

Heat stable