Greco Gum Starter Pack

Your first order is covered, no strings. Mastic isn’t for everyone, so if it’s not for you, email us within 30 days and we’ll swap it for the other variant or refund you in full, shipping included. Keep the tin. One per customer, only on our website.

Greco Gum is a hard, natural gum that gives your jaw a serious workout while you chew. Many customers use it to build a stronger-feeling jaw, keep their teeth and gums cleaner between brushes, and as a post-meal ritual that helps them feel “finished” without dessert or extra snacking.

It will feel very different from supermarket gum.

The first 1–2 minutes can be strange: the resin breaks into little pieces, there may be a light dusty coating, and the flavor is strong. As it warms up, the pieces bind together into a smooth, rubbery chew that you can work on for a long time.

Start small, chew slowly, and give it a few minutes to come together. Most people say it’s “weird at first, then addictive” once they’ve tried it a few times.

Greco Gum is much harder than ordinary gum. If you have fragile teeth, recent dental work, or existing TMJ trouble, check with your dentist first.

Either way, ease in: start with a small amount, warm it up gently, and rest your jaw on days it feels sore. If you’d rather not chew at all, our capsules give you mastic without the workout.

Pinch out a small amount to start:

• Droplets: begin with 5–8 pieces
• Nuggets: begin with 1–2 nuggets

Chew gently until the pieces soften and merge. Once it’s formed a single piece, you can add more if you want a bigger chew.

Because it’s a natural resin, some pieces will be softer or harder. If a piece feels too soft or sticky, let it cool for a moment and combine it with a firmer piece to reach the right consistency.

Most people chew for 30–90 minutes per session.

Greco Gum is not sweet. The taste is piney and resinous, with a slight bitterness at first and a fresh pine/cedar note as you keep chewing.

If you’re expecting sugary mint gum, this will be a shock at the beginning. If you enjoy strong, natural flavors (black coffee, dark chocolate, herbal spirits), you’re more likely to love it once you’ve given it a few tries.

Most customers chew Greco Gum daily, often after meals or during work, study, driving, or training sessions.

A good rule of thumb:

• Start with shorter sessions (15–30 minutes)
• Increase the time as your jaw gets used to it
• If your jaw feels sore or overworked, take a break and treat it like you would any other muscle

As with any food product, listen to your body and adjust your routine if something feels off.

Most gum is made from cheap gum base, sweeteners, and flavorings. Greco Gum has one ingredient: pure mastic resin from the island of Chios in Greece.

Mastic is a niche crop with limited supply, and the resin has to be harvested, cleaned, and sorted by hand. You’re paying for:

• A single-origin, plastic-free gum base
• Careful grading for chew quality
• A product that lasts far longer per piece than normal gum

Just one ingredient: crystallized resin from the mastic tree (Pistacia lentiscus var. Chia), grown and harvested on the island of Chios in Greece.

There are no sweeteners, plastics, flavorings, or fillers.

We ship worldwide from our warehouse in the central United States. US shipping is free on orders over $75.

Shipping options and prices are shown at checkout. Outside the US, your order may be subject to local VAT or customs charges, which are set by your country. For more detail, see our Shipping & Returns page.