Your journey to better gut health starts here

Cylinder is available to employees and dependents (age 18+) enrolled in a Fort Zumwalt School District-sponsored Aetna medical plan at no cost to you.

Access code: FZSD

For the best experience, download our app to register.

What you get

Instant access to customized care for any gut health condition or question

Order your free gut microbiome test

Learn more about the types of bacteria that live in your gut and how they may influence your digestion and overall health.

Your dedicated Health Coach

Connect with your clinically-trained Health Coach as often as you need, at no extra cost.

Prefer messaging over a phone or video call? You’re not alone. You can start by chatting with your Health Coach in the Cylinder app—no appointment needed. It’s a simple way to get encouragement, tips, or answers to quick questions. When you’re ready for more, your coach is just a click away for a full session.

Your coach can support you with:

Navigating your Cylinder care plan
Weight management, sleep, stress, goal setting, and more
Making positive lifestyle changes that last

Guidance from your own Registered Dietitian

Get unlimited access to a Registered Dietitian at no cost to you for personalized help with all things food-related.

Too busy to schedule a meeting? That’s okay. You can chat with your Dietitian through the Cylinder app for free whenever you have questions. It’s a great way to ease into care and get trusted advice on food, nutrition, or gut health—on your schedule.

Your Dietitian can help with:

Identifying symptom triggers
Meal planning and nutrition tips
Improving overall gut health

Access to physicians when you need it

Connect with a gastroenterologist or internist from anywhere, without waiting rooms or long commutes. Your doctor can help you better understand your symptoms, discuss next steps, provide expert recommendations, and support you throughout your care journey. Visits are billed through your health plan and may include standard in-network costs.*

Your physician can help with:

Ongoing digestive symptoms and concerns
Understanding treatment options and next steps
Personalized recommendations based on your symptoms and health history

*Virtual appointments with a gastroenterologist or internist are subject to your health plan coverage and may involve an out-of-pocket cost. You will be notified before your visit if any costs apply.

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Personalized care and support, all in one place

Get a care plan tailored to your unique health history, symptoms, goals, and lifestyle.

Through the Cylinder app, you’ll have access to expert guidance, food and symptom tracking, recipes, meal plans, articles, and courses—all in one place.

You’ll also receive ongoing support from your care team, making it easier to build healthy habits, stay on track, and feel your best.