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Common Symptom Guide

Weight That Won't Budge, Even When You're Doing Everything Right?

If diet and exercise alone haven't worked, the problem may not be willpower — it may be biology. We test for what's actually driving it.

Reviewed by McKell Johnson, FNP-BC, Clinical Director · Originally developed by Dr. Justin Abbott, D.O., Founder
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What's Behind It

What Can Make Weight Loss Feel Impossible

Weight gain — or the inability to lose weight despite real effort — is often driven by factors that diet and exercise alone can't fix: hormone imbalance (in men, this can include declining testosterone), insulin resistance, an underactive thyroid, or chronically elevated stress hormones.

That doesn't mean lifestyle doesn't matter. It means the plan has to account for what's happening underneath it, or it won't stick.

Signs It May Not Just Be Diet & Exercise

Weight gain despite consistent diet and exercise
Difficulty losing weight around the midsection
Constant hunger or sugar cravings
Fatigue alongside weight changes
Slow metabolism or feeling “stuck”
Family history of insulin resistance or diabetes
How We Approach It

Find the Cause, Then Build the Plan

We start with labs — hormones, thyroid, and metabolic markers — to understand what's driving the weight gain. From there, treatment may include GLP-1 medication such as semaglutide or tirzepatide, hormone correction, or both.

From Our Care Team

Stubborn weight is rarely just about diet and exercise. Hormones, thyroid, and insulin resistance can all work against you — so that's where we start looking, before we start treating.

Reviewed for accuracy by McKell Johnson, FNP-BC, Clinical Director, and the Abbott Health & Wellness care team.

Related Conditions

Often connected to weight gain: insulin resistance, thyroid problems, and Hashimoto's. How semaglutide works → Can hormones make weight loss harder? →

What Patients Say
Functional Medicine Approach

Treatment For Unexplained Weight Gain With Functional Medicine

When weight keeps climbing without a clear change in eating or activity, functional medicine looks for the reasons underneath it rather than adjusting calories again. At Abbott, that starts with a long intake and labs that go beyond a standard physical.

Once we know what is driving it, your plan may combine nutrition, lifestyle changes and, when appropriate, medical weight loss. Read why hormones matter more than calories, or book an evaluation.

Common Questions

Weight Gain FAQs

What patients ask most before their first appointment.

Persistent weight gain despite real effort is often tied to hormone imbalance, an underactive thyroid, insulin resistance, or chronic stress. These make weight loss significantly harder — sometimes nearly impossible — until they're addressed directly.
Depending on what your labs show, treatment may include GLP-1 medications like semaglutide, hormone correction, thyroid treatment, or a combination. Your provider builds a plan around your specific results, not a generic program.
Semaglutide is effective for many patients, but it's not automatically the right first step for everyone. McKell Johnson, FNP-BC, reviews your labs and health history to determine whether GLP-1 medication, hormone therapy, or another approach fits your situation best.
Functional medicine looks for the cause before treating. That usually means a detailed history plus labs for thyroid, sex hormones, cortisol, blood sugar and insulin, then a plan built on what the results show, which may include nutrition, lifestyle changes, hormone therapy or medical weight loss. See our functional medicine care.
If you've gained weight without a clear change in diet or activity, or you're also dealing with fatigue, sleep problems or mood changes, it's worth getting labs. Sudden or rapid gain, swelling, or severe symptoms should be checked by a provider promptly.
Before You Book

Two Things Worth Knowing

Get Started

Find Out What's Actually Working Against You.

Real labs, a real plan, and provider-led support — not just a prescription.