Animal Blood Nutrition | Iron-Rich Facts

Animal blood is a lean, iron-dense protein source with ~18 g protein and ~35 mg heme iron per 100 g.

Curious about this old-school ingredient? Here’s a clear, practical guide to what you get from it, how to cook it safely, and when it suits your plate.

Nutrition In Animal Blood: What The Numbers Mean

On a wet-weight basis, beef blood brings about 77 kcal, ~18.8 g protein, and nearly zero fat per 100 g. It also packs trace vitamins and minerals, including vitamin B12 and a standout dose of iron. These figures come from a national food table entry for raw bovine blood.

Nutrient	Typical Amount (per 100 g)	What It Means
Protein	~18.8 g	High protein for minimal calories; supports repair and enzymes.
Calories	~77 kcal	Low energy density; handy in light meals.
Fat	~0.2 g	Almost fat-free; texture from gels, not lipids.
Carbohydrate	0 g	No sugars or starch.
Heme Iron	~35.5 mg	Readily absorbed iron; supports oxygen delivery.
Vitamin B12	~0.6 µg	Backs nerve function and DNA synthesis.
Sodium	~226 mg	Natural sodium; go easy on added salt.
Cholesterol	~100 mg	Plan portions if you’re tracking lipids.

Protein Quality And Amino Acids

The protein comes from hemoglobin and plasma proteins. That mix delivers a full amino acid profile with plenty of lysine. Cooks notice firm gelation when heated, which is why cubes hold together in stews and congee.

Iron You Actually Absorb

Heme iron absorbs better than non-heme iron from plants. Many readers use it to shore up iron intake during higher-need phases. Lab work that tracks ferritin gives a clearer picture of status across seasons, training, or pregnancy; public guidance explains how ferritin is used to assess iron at scale — see the WHO ferritin guideline.

Calories, Satiety, And Macros

Because it’s almost fat-free, portions feel light yet filling. Pair it with slow carbohydrates and greens for balanced meals. A splash of acid (vinegar or citrus) trims the mineral edge nicely.

Safety, Sourcing, And Handling

Buy from inspected facilities and keep it cold from checkout to stove. Cook until firm throughout; that step reduces microbial risk from slaughter and handling.

Wild game and backyard slaughter carry added hazards. Trichinella in undercooked meat and game has a long record; steady cooking and clean knives lower that risk. Commercial guidance also recognizes coagulated blood as fit for food when collected and handled properly — see the FSIS notice.

Who Benefits Most From This Iron-Rich Food?

People with higher iron needs—teen athletes, late-stage pregnancy, or those with low ferritin—often look for sources with steady bioavailability. Heme iron fits that brief, while those managing iron overload should limit rich heme sources and follow their care plan.

Kitchen Uses That Work

Classic routes include quick-set cubes in soups, silky sauces thickened with a small ladle, and hearty sausages blended with oats or barley. Spices that love its minerality: black pepper, bay, thyme, and star anise.

Flavor Boosts And Pairings

For bowls, think ginger-garlic bases with leafy greens and rice. In a pan sauce, reduce stock, then whisk in a few tablespoons of liquid blood off heat to gloss roasted meats. For brunch, sear set cubes and serve with apples and onions.

Forms, Processing, And What Changes

Food makers separate whole blood into plasma and red-cell fractions for function and nutrition. That gives cooks and manufacturers different tools: plasma for texture and clarity; red cells for color and iron.

Form	Nutrition Shift	Kitchen Notes
Fresh / Set	Low kcal; ~19 g protein; heme iron intact.	Chill fast; simmer to set; slice gently.
Dried Plasma / Meal	Protein concentrates; minerals vary by process.	Use in noodles, batters, or baked goods.
Blood Sausage	Higher energy from added fat/grain.	Great grilled; pair with tart condiments.

Portioning And Meal Ideas

A 100–150 g cooked portion slots easily into a mixed plate. Add 1 cup wilted greens, 1 cup potatoes or rice, and a bright pickle. The plate stays balanced while iron and protein stay high.

Buying, Storing, And Prep Flow

At The Counter

Look for sealed containers from inspected plants. Ask how it was defibrinated and how long it’s been chilled.

In The Fridge

Hold at ≤4 °C and use within 24–48 hours. If freezing, portion in recipe-size bags to limit thaw waste.

On The Stove

Salt lightly; heat to a steady simmer until firm. For sauces, whisk in off heat to avoid curdling.

Who Should Be Cautious?

Those with iron overload, certain infections, or medical guidance to limit heme iron should pick other proteins. People with shellfish allergy sometimes ask about cross-handling at mixed counters; stick with suppliers that separate lines.

Bottom Line For Home Cooks

If you want lean protein with standout iron, this traditional ingredient delivers. Cook it well, pair it smartly, and keep portions steady across the week.