# Greco Gum

> Mastic gum from Chios, Greece — the crystallized resin of Pistacia lentiscus,
> chewed for oral health, digestion and jaw training. One ingredient, no
> synthetic gum base. Greco Gum is a US importer and retailer, founded 2021.

## Products

- [Mastic gum nuggets](https://grecogum.com/products/mastic-nuggets): Our mastic gum nuggets are soft and easy to chew, with a mild pine flavor. Perfect for oral health and better digestion. (45 grams (6-week supply), from $28.98)
- [Mastic gum droplets](https://grecogum.com/products/mastic-droplets): Our mastic gum droplets are small and hard, which makes them a favorite for working out your jaw and facial muscles. (45 grams (6-week supply), from $24.98)
- [Mastic gum powder](https://grecogum.com/products/mastic-gum-capsules): Pure mastic powder in veggie capsules. Targeted gut support, no chewing required. (30–60 day supply, from $34.98)
- [Greco Gum Starter Pack](https://grecogum.com/products/greco-gum-starter-pack): Try both varieties of premium mastic gum in one convenient bundle. Perfect for first-time buyers to discover which type… (30 grams (1-month supply), from $54.96)
- [Gut Health Protocol](https://grecogum.com/products/gut-health-protocol): A 20-day protocol for your gut: pure Chios mastic capsules to settle digestion, plus nuggets to chew for reflux and dai… (20-day protocol, from $80.96)

## Payment

- Cards, Shop Pay, Apple Pay, Google Pay, PayPal.
- HSA/FSA: eligible products may be paid for with pre-tax HSA/FSA funds via
  Truemed. The shopper completes a short health survey at checkout; if an
  independent licensed practitioner determines medical necessity, a Letter of
  Medical Necessity is issued and the HSA/FSA payment goes through. That path
  is for one-time purchases; subscription orders are placed normally and then
  qualified afterwards via the survey on the order confirmation, for
  reimbursement from the shopper's HSA/FSA administrator. Eligible:
  Mastic gum nuggets, Mastic gum droplets, Mastic gum powder, Greco Gum Starter Pack, Gut Health Protocol. Truemed is for qualified customers. HSA/FSA tax savings vary. Learn more at truemed.com/disclosures.
- [HSA/FSA details](https://grecogum.com/hsa-fsa)

## Machine-readable

- [Product feed (JSON)](https://grecogum.com/products.json): live prices, stock, GTINs, net weights, dosing, ingredients, FAQs and review aggregates for the whole catalog.
- [Sitemap](https://grecogum.com/sitemap.xml)

## Shipping and returns

- Flat $6.99 shipping within the US, free over $75.
- Handling 0–1 business days, transit 2–5 business days.
- 30-day returns by mail, return shipping free.
- [Shipping & returns policy](https://grecogum.com/policies/shipping-refund)

## About

- [About Greco Gum](https://grecogum.com/about)
- [Contact](https://grecogum.com/contact)
- [Wholesale](https://grecogum.com/wholesale)
- [Affiliate program](https://grecogum.com/affiliate)

## Guides

- [Mastic gum vs. mastic powder: which form to use](https://grecogum.com/blog/mastic-gum-vs-mastic-powder): They are the same resin in two forms. Chew the gum for jaw and mouth benefits; use powder or capsules to swallow a measured dose. Here is how to pick.
- [Greco Gum vs. other mastic gum brands: what's different?](https://grecogum.com/blog/best-mastic-gum-brand): We constantly clown our competition on social media, but all jokes aside, what actually makes Greco Gum the best mastic gum brand?
- [What is the best plastic-free chewing gum?](https://grecogum.com/blog/best-plastic-free-chewing-gum): Virtually all chewing gum is artificially flavored plastic. What actually counts as plastic-free, and why mastic gum has been chewed clean for millennia.
- [Is mastic gum legit or a scam?](https://grecogum.com/blog/is-mastic-gum-legit-or-a-scam): You’ve seen big talk online about mastic gum, but is it just another too-good-to-be-true scam supplement?
- [Mastic gum for bad breath](https://grecogum.com/blog/mastic-gum-for-bad-breath): What the research shows about mastic gum and halitosis—plus when, how long, and how often to chew for lasting fresh breath.
- [Benefits of mastic gum for gut health](https://grecogum.com/blog/mastic-gum-gut-benefits): Mastic gum has been used for digestive complaints since antiquity. How it supports healthy digestion, soothes the stomach, and keeps gut function normal.
- [What is mastic gum good for? 8 uses + benefits](https://grecogum.com/blog/mastic-gum-uses): In this article, learn all about mastic gum’s uses for facial aesthetics, a healthy gut microbiome, stress relief, and much more.
- [What does mastic gum taste like? It’s piney and resinous.](https://grecogum.com/blog/what-does-mastic-gum-taste-like): Mastic gum tastes piney and resinous, a little bitter on the first bite, then clean and refreshing as you chew. Here’s what to expect.
- [What is gum base made of? Ingredients explained](https://grecogum.com/blog/what-is-gum-base-made-of): Gum base is the chewy core of gum. Here’s what it’s actually made of, whether it counts as plastic, and the natural alternatives you can chew instead.
- [How to use mastic gum: chewing, capsules and more](https://grecogum.com/blog/how-to-use-mastic-gum): Mastic gum has many benefits, but if it’s your first time taking it, you need to know how to use it step-by-step and whether to chew or take capsules.
- [Chewing gum for jawline: real before and after results](https://grecogum.com/blog/chewing-gum-jawline-before-and-after): Real before-and-after photos of mastic gum jawline transformations, with honest timelines, routines, and context for what's actually possible.
- [Why is mastic gum so expensive?](https://grecogum.com/blog/why-is-mastic-gum-expensive): Sold on the benefits of mastic gum, but balking at the price? Here’s exactly what goes into the price and why it’s still worth it.
- [How long does mastic gum last?](https://grecogum.com/blog/how-long-does-mastic-gum-last): How long you can chew a piece of mastic gum, and how long a tin keeps. The ideal chewing time for full benefits, plus how to store mastiha so it lasts.
- [Is mastic gum safe? Who should take care and how to start](https://grecogum.com/blog/is-mastic-gum-safe): Mastic gum is safe for most people. Here's who should start slow or ask a doctor first, plus how to ease in without jaw or dental trouble.
- [What side effects does mastic gum cause?](https://grecogum.com/blog/mastic-gum-side-effects): The main side effects of mastic gum: jaw soreness from how hard it is, occasional digestive issues, and possible interference with dental work.
- [Mastic gum benefits: what the research shows](https://grecogum.com/blog/mastic-gum-benefits): An evidence-based guide to mastic gum's benefits, from oral health and digestion to H. pylori, plus what's still unproven.
- [What is mastic gum?](https://grecogum.com/blog/mastic-gum): Mastic gum is the original chewing gum: pure resin from Chios, Greece. What it does for your jaw, gut, and breath, and how to spot the real thing before you bu…
- [Why mastic gum splinters or crumbles (and how to fix it)](https://grecogum.com/blog/mastic-gum-splintering): Mastic gum splinters when cold. Warm it for 30-60 seconds, ease in with gentle chews, and the bits will rejoin into one wad.
- [What is chewing gum made of? All ingredients explained](https://grecogum.com/blog/what-is-chewing-gum-made-of): Modern chewing gum is mostly synthetic gum base, plus sweeteners, softeners, flavoring, preservatives, and colors. Here's what each ingredient is.
- [What to look for when buying mastic gum](https://grecogum.com/blog/what-to-look-for-when-buying-mastic-gum): Not all mastic gum is the same. Learn how to evaluate a mastic gum brand before buying to avoid disappointment.
- [Is mastic gum good for teeth? What the research says](https://grecogum.com/blog/is-mastic-gum-good-for-teeth): Yes, mastic gum is good for teeth. 40 years of research shows it cuts plaque, fights the bacteria behind gum disease, and outperformed hydrogen peroxide.
- [Mastic gum for H. pylori: evidence and what to expect](https://grecogum.com/blog/mastic-gum-h-pylori): What the research shows about mastic gum for H. pylori: ~1 in 3 clear it alone, over 90% with antibiotics, plus how to take it and what to expect.
- [Does mastic gum kill candida?](https://grecogum.com/blog/does-mastic-gum-kill-candida): Human studies have tested mastic gum’s antibacterial properties, but the research on its use as an antifungal treatment is more limited.
- [Does chewing gum make your face bigger?](https://grecogum.com/blog/does-chewing-gum-make-your-face-bigger): Chewing gum can make your face bigger, but only with hard gum and the right body fat. Here's what to expect and how to control the outcome.
- [Best gum for jawline training: beginner & advanced picks](https://grecogum.com/blog/best-gum-for-jawline): Want a stronger, more defined jawline from chewing gum? Where to start, the beginner and advanced picks, and why mastic gum trains the jaw harder than most.
- [The ingredients of Falim gum](https://grecogum.com/blog/falim-gum-ingredients): Many people think Falim gum is safe and natural. But what’s really in it, and what does each ingredient mean?
- [Mastic gum for plaque](https://grecogum.com/blog/mastic-gum-for-plaque): What the research shows about mastic gum and dental plaque—how it works, how long to chew, and how it compares to xylitol.
- [Is chewing gum plastic?](https://grecogum.com/blog/is-chewing-gum-plastic): Most chewing gum is built on a synthetic plastic base you'd never guess from the label. What research found in popular gums, and what's safe to chew.
- [Mastic gum for acid reflux: what the research shows](https://grecogum.com/blog/mastic-gum-for-acid-reflux): Mastic gum has been studied for acid reflux and GERD for years. The evidence is limited but promising. What it may do, and how to try it safely.
- [The history of chewing gum](https://grecogum.com/blog/history-of-chewing-gum): From Neolithic birch resin to Mayan chicle and Greek mastic, the history of chewing gum and the medicinal use of tree resins through the ages.
- [What is the toughest chewing gum?](https://grecogum.com/blog/toughest-chewing-gum): Looking for the hardest, toughest gum to chisel your jawline and tone your face? You’re in luck—lock in and keep reading.
- [How long to take mastic gum for H. pylori](https://grecogum.com/blog/how-long-to-take-mastic-gum-for-h-pylori): How long to take mastic gum for H. pylori: the timeline from clinical research, when you should start feeling better, and when to test whether it worked.
- [How long to chew mastic gum for jawline, teeth, or reflux](https://grecogum.com/blog/how-long-to-chew): Mastic gum is a godsend for your jawline and digestion, but how long you should chew it depends on your goals and experience.
- [How to take mastic gum for H. pylori: dosage and timing](https://grecogum.com/blog/how-to-take-mastic-gum-for-h-pylori): How much mastic gum, when, in what form, and for how long: the exact dosing schedule used in clinical research for H. pylori, turned into a daily routine.
- [Does chewing gum help your jawline? What actually changes](https://grecogum.com/blog/does-chewing-gum-help-jawline): Want to chisel your jawline, but not sure if chewing gum can make any visible changes? We explore if this is even possible *and, if so*, how you can do it.
- [Does mastic gum kill H. pylori? What the evidence shows](https://grecogum.com/blog/does-mastic-gum-kill-h-pylori): Mastic gum shows real antibacterial activity against H. pylori in lab and human studies. But killing bacteria and clearing an infection are different.
- [Is mastic gum good for TMJ?](https://grecogum.com/blog/mastic-gum-tmj): Mastic gum is a God-send for those looking to enhance their jawlines naturally, but should everyone chew it?
- [Health benefits of mastic gum powder capsules](https://grecogum.com/blog/mastic-gum-powder-capsules-benefits): Learn more about the antimicrobial properties and gut health benefits that mastic gum powder can offer as a daily dietary supplement.
- [The best ways to grow your jawline](https://grecogum.com/blog/best-ways-to-grow-jawline): Are you chopped? Don’t worry—you’re not screwed. Here’s an arsenal of actually effective ways to grow your jawline and enhance your face, locked and loaded.
- [Why it’s safe to swallow raw mastic gum](https://grecogum.com/blog/can-you-swallow-raw-mastic): Yes, you can swallow raw mastic gum, and it may do you good. Why the resin is safe to eat, what happens when you do, and when to just keep chewing.
- [Can you really grow your jawline with mastic gum?](https://grecogum.com/blog/mastic-gum-jawline): Can chewing mastic gum really grow your jawline? Experts are quick to debunk it, but evolutionary biology and plenty of anecdotal evidence say otherwise.
- [Mastic gum’s antibacterial, antiplaque & antifungal benefits](https://grecogum.com/blog/mastic-gum-antibacterial): Mastic gum fights the bacteria behind plaque, bad breath, and gum disease. The antibacterial, antiplaque, and antifungal effects, and what studies show.
- [Greco Gum discount codes](https://grecogum.com/blog/discount-codes): Looking for a handout, you cheapskate? Fine. These are the only Greco Gum discount and promo codes that actually work, kept current so you stop hunting.
- [Why mastic gum sticks to your teeth (and how to stop it)](https://grecogum.com/blog/why-mastic-gum-sticks-to-your-teeth): Mastic gum can stick to your teeth, especially in the first few minutes before it softens. Why it happens, how to chew so it stops, and how to fix it.
- [History of mastic gum](https://grecogum.com/blog/history-of-mastic-gum): Prized since Hippocrates and fought over by empires, mastic gum remains a natural wonder from Chios: history as delightful now as in the age of heroes.
- [Plastic-free products and brands we love](https://grecogum.com/blog/plastic-free-products-we-love): These are the absolute best plastic-free companies for health, wellness, nutrition, and clothing products.
- [Avoid sugar free gum: Chew this instead](https://grecogum.com/blog/avoid-sugar-free-gum): Sugar-free gum looks like the healthier choice, but the habit carries hidden risks for your oral health and beyond. Here's what to chew instead.
- [Can mastic gum naturally boost your testosterone levels?](https://grecogum.com/blog/mastic-gum-testosterone): Can mastic gum support testosterone? The compounds inside it, mainly zinc, are the likely link, not the chewing. Here's what the science actually shows.
- [How mastic gum is harvested](https://grecogum.com/blog/how-mastic-gum-is-harvested): Ever wonder how your mastic gum gets from the island of Chios to your pocket? Learn how mastic gum is harvested in Greece.
- [Mastic nuggets vs. droplets: what’s the difference?](https://grecogum.com/blog/nuggets-vs-droplets): Mastic nuggets or droplets? Greco Gum's two sizes of mastic gum compared on flavor, texture, and chew, so you can pick what suits you.