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Rosemary Herb, Rosemary Tea, Rosemary Essential Oil - Nutritional And Health Benefits

Rajan is a botany and chemistry major. He has worked as a poultry breeder for 23 years, breeding layer and broiler parents.

Rosemary herb

Latin Name : Rosmarinus officinalis

Rosemary is called "rusmary" in India.

The rosemary plant is native to the Mediterranean and Asia.

Among several other names rosemary is also known as the sea rose, Mary's tree, Mary's cloak, the dew of the sea, compass plant and anthos.

Dried Rosemary Leaves

About The Rosemary Plant

Rosemary is a perennial herb that has needle-like leaves that are about an inch long and emit a pine-like fragrance. This evergreen herb bears white to pink and purple to blue flowers. The leaves are dark green on top and have a silver coloured underside.

The rosemary plant can grow to a height of up to 5 feet though usually, it stays around 2 feet high. It grows both in warm and temperate climates but blooms almost constantly in warm areas, and in spring and summer in temperate areas. It is very drought resistant and quite hardy in cool climates.

It grows easily and is pest resistant. Rosemary does best in well-drained, neutral to alkaline soils. It can be grown from seeds as well as stem cuttings. Seeds germinate much slower and the percentage of germination is quite low as well. Rosemary can also be propagated by layering and division of roots.

Rosemary has both upright and trailing varieties.

Dried rosemary is produced from leaves of the plant that are cut before flowering commences.

Growing Rosemary

Uses Of Rosemary

In olden times rosemary herb was used symbolically for loyalty, friendship and remembrance. It was often used both weddings and funerals.

Though rosemary is used as a spice it has many medicinal properties as well. Ancient people were well aware of the healing effects of this herb and used it to strengthen memory.

Rosemary leaves are used to roast a variety of meats, fish and flavour soups, stews, sauces and stuffings.

It is used in some household cleaners and air fresheners and also some organic pesticides.

Rosemary is also used as an ornamental plant in gardening and landscaping. It can be planted as a hedge or used as a ground cover or planted as a source of nectar for bees. The plant also repels insects.

Rosemary is also used in food and cosmetic products like soaps, creams, deodorants, shampoos and hair tonics. It is used in non-alcoholic beverages as well.

Nutrients In Rosemary

  • The leaves contain several phytonutrients.
  • The flower tops contain rosamarinic acid and other volatile oils, among them, are cineol, camphene and borneol.
  • Rosemary is rich in fibre, low in calories and cholesterol-free.
  • It contains good amounts of vitamins A & C and iron.
  • Also contains appreciable amounts of copper, calcium, magnesium, folates, potassium and vitamins B1 & B6.
  • It is low in sodium.

Nutition In Rosemary

Rosemary herb (Rosmarinus officinalis), Fresh leaves 

Nutritive value per 100 g.


(Source: USDA National Nutrient data base)



Nutrient Value

Percentage of RDA


131 Kcal



20.70 g



3.31 g


Total Fat

5.86 g



0 mg


Dietary Fiber

14.10 g





109 mcg



0.912 mg


Pantothenic acid

0.804 mg



0.336 mg



0.152 mg



0.036 mg


Vitamin A

2924 IU


Vitamin C

21.8 mg





26 mg



668 mg





317 mg



0.301 mg



6.65 mg



91 mg



0.960 mg



0.93 mg


Health Benefits Of Rosemary

Ancient civilizations used this herb as an antiseptic and to improve blood flow to the brain. This helped in improving memory. Rosemary was also used as a cleansing agent for the body.

  • Rosemary has anti-inflammatory, antifungal, antiseptic, astringent, carminative, nervine, tonic and stimulant properties. An amazing range of benefits!
  • Rosemary improves brain health. It is rich in antioxidants which help in preventing oxidation of the cell membranes and protects them from getting destroyed. This property is especially useful for the brain cells and along with its stimulating properties, it helps to boost memory and prevents brain ageing. The carnosic acid in rosemary is good for the brain. The cineol in the herb improves brain performance.
  • Rosemary protects the DNA from getting mutated thereby preventing the development of tumours and cancer. Rosemary extracts control the growth of ovarian cancer.
  • It improves blood circulation and this provides relief in muscle, nerve and joint pains.
  • The carnosic acid component also promotes eye health as it protects against age-related macular degeneration. The high levels of vitamin A also promote and maintain healthy vision.
  • Rosemary boosts immunity, relieves stress and inflammation. It also kills bacteria and eliminates infection. It cures skin conditions like eczema, and the antifungal properties prevent yeast growth.
  • It improves oral health and makes the breath fresh. Water in which rosemary has been steeped can be used as a mouth wash.
  • Rosemary helps detoxify the liver and prevents liver damage. It also acts as a diuretic.
  • The rosamarinic acid blocks allergens that trigger allergies like sneezing etc.
  • Rosemary prevents and treats bloating. Dr Oz suggests drinking 3 cups of rosemary iced tea to obtain this benefit. It also treats indigestion and other digestive disorders and also improves digestion.
  • Adding rosemary to meats that are being grilled reduces to a great extent carcinogenic compounds that usually form when meat is grilled. Place rosemary twigs on the grill and then place the meats on top.
  • Rosemary extracts help in protecting the omega-3 fats from getting oxidized. This property can be used in the preservation of foods rich in omega-3 fats like fish and prevent fishy flavour as well.
  • The extracts also protect the skin from free radical damage. This property is used in developing cosmetic products for the skin for treating acne and dermatitis.
  • Rosemary stimulates the hair follicles and as a consequence, the hair growth is enhanced and also protects against dandruff.

Availability Of Rosemary

Rosemary is available as :

  • Fresh and dried herb
  • In capsule form
  • In the form of tea, tincture and liquid extract.
  • As an essential oil for external use only.

Rosemary Dose

Whether one takes it as tea or dried herb the daily intake should not be more than 4 to 6 grams per day.

Rosemary oil should never be taken internally as it can be toxic.

Rosemary Precautions

Rosemary in normal doses is safe though some people may develop allergic reactions. It should not be taken by children under 18 years. Pregnant women should not take it as higher doses may lead to miscarriage. Those breastfeeding should also avoid it as a supplement.

Also, those with ulcers, ulcerative colitis, epilepsy and Crohn's disease must avoid it.

A large number of rosemary leaves can cause vomiting, spasms, coma and pulmonary oedema.

Rosemary can interact with blood thinners, ACE inhibitors, diuretics, lithium and drugs used to control diabetes.

Rosemary Essential Ol

Rosemary Essential Oil And Its Benefits

The highest quality rosemary essential oil is obtained when only the flowering tips are harvested from plants in bloom.

Rosemary essential oil is a clear, colourless to pale yellow oil with a minty herbal smell. It is used in aromatherapy.

Rosemary oil acts on the brain, clears the mind and enhances memory. It eliminates brain fag.

The oil relaxes the nerves, migraine and other headaches, neuralgia and other muscle pains and nervous exhaustion.

Rosemary oil is effective for respiratory system problems like asthma, bronchitis, etc.

It is astringent in action and controls sagging of the skin. It relieves congestion, swelling and puffing of the skin.

The oil enhances hair growth and relieves scalp problems like dandruff. It also increases blood circulation to the scalp.

Rosemary oil blends well with peppermint, lavender, citronella, lemongrass and geranium essential oils.

How to Make Rosemary Tea Using Fresh or Dried Rosemary

Rosemary Tea And Its Uses

Rosemary tea is quite simple to prepare. Add 1 tsp of the dried herb to 3 cups of boiling water and let it steep for about 5 minutes. Strain and add some agave for taste.

You may chill this in the refrigerator if you prefer cold tea.

Rosemary tea is a warming and stimulating beverage that relieves headaches, rheumatic pains, and improves blood circulation. It stimulates the digestive system.

When used as a mouth wash it kills bacteria in the mouth and ensures oral health.

Wash scalp with it to eliminate dandruff.

Drink it to clear the brain and thinking, enhance focus and concentration.


The information provided in this hub is not a substitute for professional medical advice. Please consult your physician, or health care provider before taking any home remedies or supplements or embarking on a new health regime.



Rosemary Stuffed Pork Loin Recipe - Laura Vitale

Focaccia Recipe - Italian Flat Bread with Rosemary and Sea Salt

This content is accurate and true to the best of the author’s knowledge and does not substitute for diagnosis, prognosis, treatment, prescription, and/or dietary advice from a licensed health professional. Drugs, supplements, and natural remedies may have dangerous side effects. If pregnant or nursing, consult with a qualified provider on an individual basis. Seek immediate help if you are experiencing a medical emergency.

© 2014 Rajan Singh Jolly


Rajan Singh Jolly (author) from From Mumbai, presently in Jalandhar, INDIA. on September 30, 2018:

Glad you like the information, Peggy. Thanks for visiting.

Peggy Woods from Houston, Texas on September 24, 2018:

We enjoy the flavor of rosemary when used in cooking. Generally speaking, we have some growing in our garden. Sometimes if we have had too much rain it tends to die out. It would rather grow in dry conditions than too wet. That is a challenge in our humid climate of Houston. Thanks for all of this information regarding the health benefits of rosemary.

Rajan Singh Jolly (author) from From Mumbai, presently in Jalandhar, INDIA. on April 18, 2014:

Nithya, thanks.

Eddy, thanks for your continuous support,

KimberlyLake, hope you find the tea useful. Appreciate your voting and pinning of the hub. Thanks for stopping by.

Devika, thanks for visiting. glad you like the info.

Precy,thanks for your input. The rosemary tea is quite useful as you an see. Thank you for voting it up and sharing it as well.

precy anza from USA on April 18, 2014:

Wow, lots of health benefits from rosemary. This is one of those herbs I like brushing off as I love the smell. I think I should start taking rosemary tea for all those good benefits from it. We always use it in fish stuffing along with tomatoes and some other herbs. Thanks for sharing this hub Rajan. Up and shared! :)

Devika Primić from Dubrovnik, Croatia on April 18, 2014:

Rosemary is such a wonder plant to me since we have so many growing in our region the ideal climate and can't have enough of it. A well-informed hub of such a useful herb.

Kimberly Lake from California on April 17, 2014:

Very interesting Hub. You really put it together in an engaging format. Voted up and pinned. Thank you, I will be drinking this tea, I had never heard of it.

Eiddwen from Wales on April 17, 2014:

Another wonderful addition to this superb series rajan. I actually have rosemary growing on our patio but never knew all of this.

You are so knowledgeable and so glad to be sharing in this knowledge.

Enjoy your day my friend.


Nithya Venkat from Dubai on April 17, 2014:

Great detailed information on the Rosemary herb, thank you for sharing.

Rajan Singh Jolly (author) from From Mumbai, presently in Jalandhar, INDIA. on April 16, 2014:

ologsinquito, you are correct essential oils are very beneficial to health though care is needed while using them as they are very concentrated.

Heidi, thanks and glad you find the info useful.

Bill, rosemary is one of the easiest herbs to grow no doubt. Your visit is always appreciated.

Audrey, I hope you find rosemary tea both tasty and healthy, I appreciate your sharing of the hub. Thanks and have a good day!

Imogen French, glad you like the info. Hope this will be useful to you. Thank you.

Dianna, glad to know the natural cleaner is effective. Thanks for visiting.

creativelycc, I hope you like the rosemary tea. thanks for stopping by, Carrie.

Flourish, thank you.

Audrey, good to know you use this regularly. I much appreciate your visit and comments.

Nell, thanks for adding this piece of info to the hub. It will be useful to others. Thank you.

vandynegl, thanks.

vandynegl from Ohio Valley on April 14, 2014:

Great information! I didn't know this much about Rosemary!

Nell Rose from England on April 13, 2014:

This was fascinating reading rajan, I love rosemary, and have used it for a few years, it is great for rinsing your hair as it really leaves it shiny. I also have a rosemary pillow that helps you to sleep, great read! voted up and shared! nell

Audrey Howitt from California on April 13, 2014:

Such a wonderful hub! We grow it out in the back yard and I use it often in cooking. It is good to know that it is so healthful as well!

FlourishAnyway from USA on April 13, 2014:

I was unaware of its health benefits so thank you. Rosemary does smell wonderful. Voted up and more, plus sharing.

Carrie L Cronkite from Maine on April 12, 2014:

This article contains a wealth of excellent information about the benefits of Rosemary. This is the second article I read on rosemary today. I normally use it in cooking but I think I'm going to start drinking it as a tea. Thank you very much!

Dianna Mendez on April 12, 2014:

I do love rosemary in teas, the flavor is wonderful. I just picked up a natural clearner with rosemary within the ingredients and it does a wonderful job around the house. Thanks for all the information on the herb.

Imogen French from Southwest England on April 12, 2014:

Thanks for a really comprehensive guide to rosemary. I have tons of this herb growing in my herb garden, and I love it, but only ever seem to use it with roasted potatoes, or sometimes for decoration as a sweet scented cut flower. The tea sounds good, perhaps I will give it a try.

Audrey Hunt from Pahrump NV on April 12, 2014:

Thank you rajan for this well done and informative article. It's good to learn about the benefits of Rosemary. I have the essential oil. I will try the tea with agave. Voted up, useful, awesome, interesting and will pin and share.

My best to you - Audrey

Bill Holland from Olympia, WA on April 12, 2014:

Rosemary is one of the first things I learned to grow. Thankfully, it takes very little care and is easy to grow here, or I would have managed to kill it somehow. :) Thanks for the information.

Heidi Thorne from Chicago Area on April 12, 2014:

Since I'm more familiar with basil which also has some brain enhancing properties, I didn't know much about rosemary. Thanks for sharing! I'll have to try it out. Voted up, useful and interesting!

ologsinquito from USA on April 12, 2014:

I've always liked the Plant Therapy line of essential oils. They are high quality oils at an excellent price.

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