Is Neptune Mastic Gum Legit? Neptune Gum Review: Benefits, Side Effects, Alternatives

Explore our in-depth review of Neptune Mastic Gum, as we examine its legitimacy, benefits, potential side effects, and alternatives to help you make an informed decision about this popular chewing gum.
Medically reviewed by
Certified specialist with 5 years of extensive dental and orthodontic experience
Is Neptune Mastic Gum Legit? Neptune Gum Review: Benefits, Side Effects, Alternatives
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 What is mastic gum?

Mastin gum (the main component of Neptune gum) is a resin or sap-like substance that is extracted from a small tree (Pistacia Lentiscus), which is native to the Mediterranean. It is also known as the tears of Chios as it is produced on the island of Chios. 

Pistacia Lentiscus ( mastic tree)
Pistacia Lentiscus ( mastic tree)

Mastic gum has been used in traditional Greek medicine for almost 2500 years. It was the first natural gum to be used as a breath freshener and to clean teeth. Even one of the most outstanding physicians in history, Hippocrates, has recommended its use and praised its properties.

Nowadays, mastic gum is considered by many to be a natural remedy for lung, oral, and digestive diseases, which is also supported by some study-based evidence. It is used in numerous Mediterranean cuisines because of its natural flavor and aroma.

mastic gum
mastic gum

Due to its anti-inflammatory and astringent properties, it has also become an active ingredient in the cosmetic industry. In the past few years, the demand for mastic gum has surged due to its increased popularity as a health supplement.

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What is Neptune gum?

Neptune gum is an exotic tree-sap gum with an original and genuine flavor. It's about five times stronger than regular gum, so it adds resistance and helps strengthen the jaw muscles. It is very similar to mastic gum. Neptune gum is marketed as reusable, as it comes from a rare tree sap that does not break down.

                                     A small container of Neptune gum

It is 100%natural, harvested straight from the mastic tree and imported from the island of Chios, Greece. Along with strengthening the jaw muscles, there is some evidence to suggest that it may help to freshen the breath and prevent issues such as stomach upset and dental cavities.

What are Neptune Mastic gum benefits?

Mastic gum has been known for thousands of years due to its various benefits. At one point, mastic was worth more than its weight in gold, as it was sought after by the nobility due to its supposed healing properties.

Here are some possible benefits of Neptune mastic gum:

Beneficial for Dental Health

There have been studies that suggest that mastic gum can help protect teeth from plaque and cavities. A study found out that, after chewing mastic gum for just 15 minutes, the number of bacteria in the mouth was significantly reduced. The bacteria levels kept declining as the gum was chewed longer.

Controlling cholesterol and blood sugar levels

High cholesterol and sugar levels can result in many issues, including blurred vision and heart problems. Mastic gum may help you lower your cholesterol and blood sugar levels.

A study found that Participants who took mastic gum experienced lower cholesterol and blood sugar levels after 8 weeks. The participants took around 330 mg of crude mastic gum thrice a day.

You should always consult a doctor before any self-treatment, as he/she can prescribe you the most effective treatment,

It can help you get improved facial features

Mastic gum is about 10 times stronger than normal chewing gums, therefore it adds more resistance which can help strengthen your temporal, medial pterygoid, and lateral pterygoid muscles. Chewing mastic gum can be considered as an exercise or workout for your mouth.

​​Keep in mind that sometimes, this can be risky. Especially if muscles are already tense or imbalanced, and more stress is added. If you notice signs of muscle tightness or fatigue, it's best to talk to a doctor.

Although there isn't any conclusive evidence, there have been some studies, which suggest that mastic gum can help you:

Effects of chewing mastic gum ( before and after images )
Effects of chewing mastic gum ( before and after images )


  • Strengthen your jaw muscles
  • Strengthen your masseter muscle

While normal chewing gums are sugary and can cause dental problems such as tooth decay. Mastic gum has quite the opposite effect and properties. That's why those who are conscious about their health, prefer mastic gum over normal chewing gums.

Read also: Does Chewing Gum Help Your Jawline?


Does Neptune mastic gum have side effects?

While mastic gum is well known for its medicinal properties and is generally considered safe to use, some people may face some side effects. These side effects include 

  • Headaches
  • Dizziness
  • Allergic reactions
  • Upset stomach

Mastic gum isn't meant to replace your prescribed medicines. It is always better to consult your doctor, and with his/her approval you can start to use mastic gum in your daily routine.

You can reduce the risk of potential side effects by starting with a small amount and working your way up.

Precaution: There is a lack of scientific research to determine the safety of mastic gum for pregnant or breastfeeding women, so it is best to avoid it if you are pregnant or breastfeeding.

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Mastic Neptune gum effects against Helicobacter pylori

Helicobacter pylori (H.pylori) is a type of infective bacteria that affects your stomach.  

It can lead to

  • Gastritis
  • Stomach ulcers
  • Vomiting

Unfortunately,  H.pylori bacteria have developed resistance of varying degrees against some of the antibiotic medicines that were used to treat it. If left untreated it can cause further complications and in some rare cases, It can even lead to stomach cancer.

Mastic gum has been shown to have potent antimicrobial properties. No study or research suggests that H.pylori have yet developed resistance against mastic. Instead, some studies have shown that it can help eradicate H.pylori bacteria.

A 2010 study found that out of 52 participants, 19 successfully cleared the infections after chewing mastic gum for two weeks. Participants who took medicines, as well as mastic gum, had the highest success rate.

The participants chewed 350mg of pure mastic gum three times a day until the infection was cleared.

Is Neptune gum good for you?

Although there isn't any credible research that supports that Neptune gum is good for you or your health, some users have reported the following effects of Neptune gum

  • Great jaw workout 
  • It can help with stomach pains 
  • It can help whiten your teeth
  • Freshen your breath

It is also marketed to be of the highest quality and has herbal anti-inflammatories properties which can help soothe abdominal pain, bloating or discomfort

While some users have also reported that Neptune gum: 

  • Can damage your gums and cause bleeding
  • Can get stuck between your teeth
  • Is expensive

Characteristics of Neptune gum

People have described the taste of Neptune gum as earthy, natural, or like a tree sap. It has a hard texture. Chewing on Neptune gum feels similar to chewing on ice or bottle caps. It has a white-yellowish color, when chewed it becomes opaque.

It has a pleasant fruity-woody aroma. Due to its aroma and flavor, it is used in many  Mediterranean cuisines. It can also be crushed and used as a spice.

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Neptune Gum FAQ:

Q. Is Neptune gum reusable?

A. Yes, Neptune gum is reusable. In fact, It can be reused multiple times without it becoming soft or losing its flavor.

Q.  How many times can you chew neptune mastic gum?

A. You can chew mastic gum multiple times a day, but be careful not to overchew on the gum. Overchewing can cause muscle fatigue, which can lead to soreness and headaches

There have been studies that suggested that there is a link between excessive chewing and temporomandibular disorder or TBD.

Q. Can you swallow neptune mastic gum?

A. Yes, mastic gum is generally considered safe to swallow, as it is just a natural resin from the mastic tree. If the gum is in the form of a large chunk, make sure to cut it into smaller pieces to avoid choking on it. Source

Q. Where to buy Neptune gum?

A. You can buy Neptune gum and learn more about it here

Q. Where to buy mastic gum?

A. Mastic gum is not regulated by the U.S. Food of Drugs Administration (USFDA). Therefore, you should always buy mastic gum from a trustworthy seller. 


The information provided in this article is intended for educational and informational purposes only and should not be construed as medical advice or a substitute for professional guidance. Mewing and other techniques mentioned on this website may not be suitable for everyone, and individual results may vary. We strongly recommend that you consult with a qualified healthcare professional, such as an orthodontist, dentist, or myofunctional therapist, before starting any new oral or facial exercises, particularly if you have existing dental, orthodontic, or health concerns.
Written by
Yury Nebyshynets
March 21, 2023