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GLP-1 EDUCATION GUIDE
The weight-loss medicine changing everything
GLP-1 medications work with your biology, not against it, to reduce appetite, improve metabolism, and support lasting weight loss. Here's what you need to know.
Semaglutide from $69 · Tirzepatide from $129 · Free Express Shipping
~15%avg. body weight lost with semaglutide in trials¹
~22%avg. body weight lost with tirzepatide in trials²
10M+adults prescribed GLP-1s in the U.S. as of 2024
Licensed U.S. ProvidersReview and prescribe when appropriate
Semaglutide from $69First month · free express shipping
Tirzepatide from $129First month · discreet delivery
No Insurance RequiredCancel anytime · no hidden fees
The Basics
So, what exactly is a GLP-1?
GLP-1 stands for glucagon-like peptide-1. All you really need to know is this: it’s a hormone your body naturally produces after you eat, and its job is to tell your brain you’re full.
GLP-1 medications are a lab-made version of this hormone that stays active in your body much longer. The result: your brain gets a steady “I’m not hungry” signal throughout the day. Cravings quiet down. You eat less, not because you’re forcing yourself to, but because you genuinely don’t feel as hungry.
This isn’t a stimulant or a crash diet in pill form. It works with signals your body already uses, just amplified and extended.
How GLP-1 signals work in your body
Your brain gets an “I’m full” signal
The part of your brain that controls hunger starts receiving stronger, longer-lasting fullness signals, so you feel satisfied sooner and stay that way longer.
Food keeps you full longer
Digestion slows down, so meals stick with you longer. You don't get hungry again an hour after eating.
Blood sugar stays more stable
More stable blood sugar means fewer energy crashes, fewer cravings, and less of that “I need to eat something now” feeling.
Your body starts burning stored fat
As you eat less and your metabolism responds, your body shifts to burning fat for energy. That's where the actual weight loss comes from.
How MyFastRx Works
From your couch to your door in days
No office visits. No insurance required. A licensed U.S. provider reviews your information and prescribes treatment when appropriate.
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Get Approved by a Doctor
A licensed U.S. healthcare provider reviews your information and prescribes treatment when appropriate, typically within 24 hours.
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Receive Your Medication
Your medication is carefully packed in temperature-controlled packaging and shipped discreetly to your door from a U.S. licensed pharmacy.
Why It Works
Weight loss was never just about willpower
Most people struggle with weight not because of lack of effort, but because of biology. GLP-1 medications address the root causes.
Silences Food Noise
The constant background hum of cravings and thoughts about food quiets significantly. Many patients say this is the most life-changing effect.
Fights Your Body's Set Point
Your body defends its current weight through hormones. GLP-1s help override these protective mechanisms, making sustained weight loss biologically easier.
Reduces Portions Naturally
Most patients naturally eat smaller meals without feeling deprived. The fullness signal kicks in sooner, effortlessly.
Your Options
Which medication is right for you?
Both options work the same way, by making you feel full sooner and quieting the urge to eat. The difference is how powerful that effect is, and how much weight people tend to lose.
The OriginalSee If I Qualify
Semaglutide
1 injection per week · the most widely used weight loss shot
Semaglutide is the medication that started the GLP-1 conversation. It works by sending an “I'm full” signal to your brain, so you naturally eat less, feel fewer cravings, and stop thinking about food as much. It has one of the longest track records of any weight loss medication available today.
People lost an average of 15% of their body weight in studies¹
One small injection, once a week
Reduces hunger and helps stabilize blood sugar
Starting at $69 your first month
Includes doctor review and shipping to your door.
Stronger OptionSee If I Qualify
Tirzepatide
1 injection per week · the newer, stronger weight loss shot
Tirzepatide works the same way as semaglutide, but hits two hunger-controlling signals instead of one. That means a stronger “full” feeling, fewer cravings, and more weight lost on average. It's the newer of the two and consistently produces better results in studies.
People lost an average of 22% of their body weight in studies²
One small injection, once a week
Stronger hunger control and faster results for most people
Starting at $129 your first month
Includes doctor review and shipping to your door.
MyFastRx does not manufacture medications; product appearance and labeling may vary.
Clinical Evidence
The science is clear
These aren't new medications. They've been studied extensively. Here's what large-scale studies found when people used them over 68 to 72 weeks.
~15%
Average weight lost with semaglutide
In a large study of over 1,900 adults, people using semaglutide lost an average of 15% of their starting body weight over about 16 months.¹
~22%
Average weight lost with tirzepatide
In a large study of over 2,500 adults, people using the highest dose of tirzepatide lost an average of 22% of their starting body weight over about 17 months.²
2×
More effective than older options
GLP-1 medications produce roughly twice the weight loss of older prescription diet medications, and significantly more than diet and exercise alone.
¹ Based on a clinical study of 1,900+ adults over 68 weeks (semaglutide 2.4 mg). ² Based on a clinical study of 2,500+ adults over 72 weeks (tirzepatide). Results reflect clinical trial populations. Individual results vary. Compounded medications are not FDA-approved.
Real Patients
Their breakthrough could be yours
Join thousands of people who have started their weight loss journey with MyFastRx. Individual results vary.
"Lost 14 lbs so far and the process was super easy. Doctor review was quick and meds arrived fast."
Maria S.
Verified Customer
"Down 19 lbs in 12 weeks. Cravings are way lower and I don't feel like I'm dieting all the time."
Stephen R.
Verified Customer
"I've struggled with my weight for years and nothing really stuck. Within the first few weeks I noticed a huge difference in my appetite. I'm down 24 lbs in just under 4 months."
Amy P.
Verified Customer
Common Questions
What people ask before starting
What is a GLP-1 medication?
GLP-1 medications work by sending an “I’m full” signal to your brain, so you naturally eat less, feel fewer cravings, and stop thinking about food as much. They are prescription medications given as a once-weekly injection. Semaglutide and tirzepatide are both GLP-1 medications with strong clinical track records and millions of people currently using them. This entire page walks you through exactly how they work, what to expect, and how the two options compare.
Are these medications safe?
GLP-1 medications can be safe and appropriate for many patients when prescribed and monitored by a licensed provider. Common side effects include nausea, upset stomach, diarrhea and constipation, especially when beginning treatment or increasing the dose. These side effects often improve as the body adjusts, but serious side effects are possible, and GLP-1 medications are not appropriate for everyone. Your MyFastRx provider will review your health history to determine whether treatment is medically appropriate for you.
Who can get these medications?
Most adults who want to lose weight qualify. These medications are typically prescribed for adults with a BMI of 27 or higher. A licensed doctor will review your health information and let you know if you’re a good fit. The check takes less than a minute to start.
How is this different from what I'd get at a regular pharmacy?
The active ingredient is the same, semaglutide or tirzepatide. The difference is that MyFastRx uses compounded versions, made by licensed U.S. pharmacies rather than large pharmaceutical manufacturers. This is legal, common in healthcare, and is how we’re able to offer these medications at a fraction of what you’d typically pay. Compounded medications are not FDA-approved but are prepared by properly licensed pharmacies under applicable regulations.
How soon will I see results?
Most people notice they’re less hungry within the first week or two. Visible weight loss usually starts showing up around weeks 4–8, and continues to build over time as your dose is gradually increased. Results vary from person to person depending on starting weight, diet, activity level, and how your body responds.
How does MyFastRx work?
It’s simple. You fill out a short health questionnaire online, takes about a minute. A licensed U.S. doctor reviews your information, usually within 24 hours. If you’re a good fit, they write a prescription and your medication ships directly to your door from a licensed pharmacy. No office visit, no insurance needed, no waiting rooms.
Can I stop anytime?
Yes, no contracts, no cancellation fees, no drama. You can pause or stop your plan at any time before your next refill. You’re always in control.
Ready to take the first step?
Answer a few quick questions online. A licensed U.S. doctor reviews your information, usually within 24 hours. If you're a good fit, your medication ships straight to your door. No office visit, no insurance, no commitment.
See If I Qualify →✓
Semaglutide from $69 first month
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Tirzepatide from $129 first month
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Free express shipping
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No insurance required · cancel anytime
