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Herbs & Spices

Oregano (Dried)

97/ 100
Also known as: dried oregano, origanum vulgare, wild marjoram, mediterranean oregano

Dried oregano is one of the most antioxidant-dense culinary herbs, exceptionally rich in vitamin K, calcium, iron, and the phenolic compounds carvacrol and thymol.

Nutrition · per ~2 g serving · ≈ a pinch

🔥 Calories
5/ 2000 kcal day
🥩Protein0.2 g<1% DV
🍞Carbs1.4 g<1% DV
🥑Fat0.1 g<1% DV
🌿Fiber0.8 g3% DV
1g net carbs · carbs − fiber
Vitamins
  • Vitamin K12.4 mcg10% DV
  • Vitamin E0.37 mg2% DV
  • Vitamin B60.02 mg1% DV
  • Folate4.7 mcg1% DV
  • Riboflavin0.01 mg<1% DV
  • Vitamin A34.0 iu<1% DV
  • Niacin0.09 mg<1% DV
  • Thiamin0.00 mg<1% DV
  • Vitamin C0.05 mg<1% DV
Minerals
  • Manganese0.10 mg4% DV
  • Iron0.74 mg4% DV
  • Calcium31.9 mg2% DV
  • Copper0.01 mg1% DV
  • Magnesium5.4 mg1% DV
  • Potassium25.2 mg<1% DV
  • Zinc0.05 mg<1% DV
  • Phosphorus3.0 mg<1% DV
  • Selenium0.09 mcg<1% DV
  • Sodium0.50 mg<1% DV
Other
  • Saturated Fat0.03 g
BioactivesEstimated
  • Polyphenols~3.0 mg
Estimated typical amounts — derived from this food's profile, not measured for this item. Real bioactive content varies widely by variety, ripeness, storage and preparation; use as a rough guide only.

Score · 97/100

Nutrient Density35.0 / 35

Vitamins & minerals packed in relative to calories — the single biggest driver of the score.

Protein Quality8.4 / 15

How much protein it delivers, by absolute grams and per calorie.

Fiber Content10.0 / 10

Dietary fiber for gut health, satiety and steadier blood sugar.

Healthy Fats5.5 / 10

Fat quality — unsaturated vs saturated, and trans-fat free.

Bioactives13.5 / 15

Polyphenols, flavonoids and other beneficial plant compounds for this food group.

Glycemic Impact10.0 / 10

Low sugar with a high fiber-to-carb ratio scores best — gentler on blood sugar.

Top Nutrients
  • Vitamin K518% DV
  • Manganese217% DV
  • Iron204% DV
  • Calcium123% DV
  • Vitamin E122% DV

Overview

Oregano (Origanum vulgare) is a perennial herb native to the Mediterranean basin and western Asia, where it has been central to Greek and Italian cooking and folk medicine for millennia—its very name derives from the Greek for 'joy of the mountain.' Drying concentrates its nutrition dramatically: per 100 g, dried oregano supplies roughly 265 kcal, 11 g protein, 69 g carbohydrate (of which ~42 g is fiber), and a remarkable mineral profile led by ~1597 mg calcium, ~37 mg iron, ~270 mg magnesium, ~1260 mg potassium, and ~5 mg manganese. Its standout micronutrient is vitamin K at roughly 622 mcg per 100 g, alongside meaningful vitamin E (~18 mg) and vitamin A. What sets oregano apart pharmacologically is its volatile oil, dominated by the phenolic monoterpenes carvacrol and thymol, supported by rosmarinic acid, p-cymene, and a high concentration of flavonoids—giving dried oregano one of the highest ORAC antioxidant values of any common food. Because culinary amounts are small (a teaspoon is ~1 g), oregano contributes little bulk nutrition, but its bioactives punch far above their weight as antimicrobial, anti-inflammatory, and antioxidant agents, making it a quintessential example of culinary medicine.

Health Benefits (4)

  • Provides potent antioxidant and anti-inflammatory protection
    moderate
    Carvacrol, thymol, and rosmarinic acid scavenge reactive oxygen species and downregulate NF-κB and COX-2 signaling, lowering systemic oxidative and inflammatory load
  • Exerts broad antimicrobial activity
    moderate
    Carvacrol disrupts bacterial and fungal cell membranes, increasing permeability and dissipating ion gradients, which inhibits a wide range of pathogens including E. coli and Candida
  • Supports bone health and proper calcium handling
    strong
    High vitamin K activates osteocalcin and matrix Gla protein, directing dietary calcium into bone while inhibiting arterial calcification
  • Aids digestion and gut comfort
    limited
    Volatile phenolics stimulate digestive secretions and exert carminative and antispasmodic effects on the gastrointestinal tract

Food Pairings

  • ·Pair with olive oil and tomato because oregano's carvacrol and thymol are fat-soluble and dissolve into the oil, improving absorption and flavor distribution
  • ·Combine with legumes and red meat because its iron and vitamin C-independent phenolics complement plant and heme iron in hearty dishes
  • ·Use with garlic because their combined antimicrobial compounds act synergistically

Practical Tips

  • ·Crush dried oregano between your fingers before adding to release the volatile oils trapped in the dried leaf
  • ·Add early in cooking for sauces and braises since the dried form withstands heat well, unlike delicate fresh herbs
  • ·Store in an airtight jar away from light and heat; potency fades within 1-2 years

Optimal Timing

🕒
anytime
Fasting-compatible

Oregano's bioactives have no circadian dependency and are best consumed consistently as part of meals.

Culinary amounts are negligible in calories and compatible with fasting.

How oregano (dried) stacks up

Compared to other herbs & spices

Per 100 g of the default form. Bars show how much higher or lower oregano (dried) is than the average across 76 peer foods in this category. Green means a favorable direction; amber means the opposite.

Calories#14 of 77
265kcalvs297kcal avg
-11% below category average
Protein#48 of 77
9gvs11.2g avg
-20% below category average
Fiber#4 of 77
42.5gvs23.4g avg
+81% above category average
Vitamin K#7 of 27
622mcgvs436mcg avg
+43% above category average
Manganese#35 of 72
5mgvs7.5mg avg
-34% below category average
Iron#14 of 77
36.8mgvs19.9mg avg
+85% above category average
Calcium#8 of 76
1597mgvs654mg avg
+144% above category average
Common questions

What people ask about oregano (dried)

What is oregano (dried)?

Oregano (Dried) is classified as a herbs & spices. Dried oregano is one of the most antioxidant-dense culinary herbs, exceptionally rich in vitamin K, calcium, iron, and the phenolic compounds carvacrol and thymol.

Is oregano (dried) healthy?

Oregano (Dried) scores 97/100 in Formulate, making it an exceptional choice. Its strongest contributions come from Vitamin K, Manganese, Iron. The score blends nutrient density, fiber, healthy fats, protein quality, bioactive compounds, and glycemic impact.

Is oregano (dried) high in protein?

Not particularly. A 2 g serving provides about 0.2 g of protein (~0% of the 50 g daily value).

Is oregano (dried) high in fiber?

Not really. A 2 g serving provides about 0.9 g of fiber (~3% of the 28 g daily value).

What vitamins and minerals are in oregano (dried)?

In a 2 g serving, oregano (dried) is highest in Vitamin K (~10% DV).

Is oregano (dried) keto-friendly?

Yes — it fits comfortably in most keto plans. A 2 g serving has about 0.5 g of net carbs (1.4 g total minus 0.9 g fiber).

When is the best time to eat oregano (dried)?

Best any time of day. Oregano's bioactives have no circadian dependency and are best consumed consistently as part of meals.

How much oregano (dried) should I eat?

A typical serving is around 2 g (~5 kcal), based on the FDA's Reference Amount Customarily Consumed for this food category. There's no fixed daily target — most adults benefit from rotating oregano (dried) alongside several other herbs & spices sources.

What pairs well with oregano (dried)?

Oregano (Dried) pairs nicely with: Pair with olive oil and tomato because oregano's carvacrol and thymol are fat-soluble and dissolve into the oil, improving absorption and flavor distribution; Combine with legumes and red meat because its iron and vitamin C-independent phenolics complement plant and heme iron in hearty dishes; Use with garlic because their combined antimicrobial compounds act synergistically.

Related supplements

Supplements that mirror Oregano (Dried)'s nutrient profile

Encyclopedia entries that supply the same signature nutrients oregano (dried) contributes. Click through to see clinical dose ranges, evidence quality, and bioavailable forms.

Connect the dots

Signature nutrients in Oregano (Dried)

These are the nutrients oregano (dried)contributes meaningfully toward (≥10% DV per 100 g serving). Click one to see what it does in the body, which supplements concentrate it, and which other foods are top sources.