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Total Fat

Macronutrient Unit: g

Essential macronutrient providing 9 calories per gram. Needed for hormone production, cell membranes, and absorption of fat-soluble vitamins.

No established daily requirement for this nutrient.

Daily Requirements by Life Stage 16 groups
Life StageRDA / AI (g/day)Upper Limit (g/day)
Children 1-3 years
Children 4-8 years
Males 9-13 years
Females 9-13 years
Males 14-18 years
Females 14-18 years
Males 19-30 years
Females 19-30 years
Males 31-50 years
Females 31-50 years
Males 51-70 years
Females 51-70 years
Males 70+ years
Females 70+ years
Pregnancy
Lactation

* = Adequate Intake (AI) where no RDA established

Top Foods Highest in Total Fat

Amount per 100g serving. Values in g per 100g.

Foods Highest in Total Fat (Table)

#FoodPer 100gGroup
1Oil, corn and canola100 gFats and Oils
2Oil, safflower, salad or cooking, linoleic, (over 70%)100 gFats and Oils
3Oil, soybean lecithin100 gFats and Oils
4Oil, hazelnut100 gFats and Oils
5Oil, tomatoseed100 gFats and Oils
6Oil, walrus (Alaska Native)100 gAmerican Indian/Alaska Native Foods
7Oil, sunflower, high oleic (70% and over)100 gFats and Oils
8Shortening confectionery, coconut (hydrogenated) and or palm100 gFats and Oils
9Oil, sunflower, linoleic (less than 60%)100 gFats and Oils
10Oil, vegetable, Natreon canola, high stability, non trans, h100 gFats and Oils
11Oil, apricot kernel100 gFats and Oils
12Oil, flaxseed, cold pressed100 gFats and Oils
13Oil, peanut, salad or cooking100 gFats and Oils
14Oil, industrial, palm kernel (hydrogenated), confection fat,100 gFats and Oils
15Oil, walnut100 gFats and Oils
16Oil, grapeseed100 gFats and Oils
17Oil, corn, industrial and retail, all purpose salad or cooki100 gFats and Oils
18Shortening household soybean (hydrogenated) and palm100 gFats and Oils
19Oil, industrial, canola with antifoaming agent, principal us100 gFats and Oils
20Shortening, household, soybean (partially hydrogenated)-cott100 gFats and Oils

Health Effects of Total Fat

Function

Fat provides concentrated energy, insulates organs, enables absorption of fat-soluble vitamins (A, D, E, K), and supplies essential fatty acids. It is a structural component of cell membranes.

Deficiency Signs

Fat deficiency is rare but causes dry skin, poor wound healing, impaired fat-soluble vitamin absorption, hormonal disruption, and essential fatty acid deficiency symptoms.

Excess / Toxicity

Excessive fat intake contributes to obesity and cardiovascular disease, particularly when high in saturated and trans fats. High fat diets may increase certain cancer risks.

Absorption & Interactions

How It’s Absorbed

Bile salts emulsify dietary fats in the small intestine. Pancreatic lipase breaks triglycerides into monoglycerides and free fatty acids, which form micelles for absorption by enterocytes.

Key Interactions
Vitamin A Enhancer
Dietary fat is required for absorption of fat-soluble vitamins; even 3-5g fat per meal significantly improves uptake
Vitamin D Enhancer
Fat enhances vitamin D absorption from foods and supplements
Vitamin E Enhancer
Fat-soluble; requires dietary fat for intestinal absorption
Vitamin K1 Enhancer
Fat-soluble; absorption increases 3-5x when consumed with dietary fat

Frequently Asked Questions

How much Total Fat do I need per day?

There is no established daily requirement for Total Fat.

Which food has the most Total Fat?

The food highest in Total Fat is Oil, corn and canola with 100 g per 100g.

What does Total Fat do in the body?

Essential macronutrient providing 9 calories per gram. Needed for hormone production, cell membranes, and absorption of fat-soluble vitamins.