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Tom’s Weight LossRankings

Guides

Understand the category

Read the terms, examine the evidence and understand the product category before comparing offers. Guides include disclosed provider context where it helps explain a decision.

Know what the claim actually covers

Two starting points for reading GLP-1 offers: the medicine’s approved labeling and evidence for the product being sold.

Consumer protection

Eleven red flags we see in weight loss marketing

The specific claims, structures and design patterns that reliably predict a product is not worth your money — and why each one works on people.

9 min read · updated

Prescription

How GLP-1 medications work, in plain language

What this class of drugs actually does in the body, what the trial evidence supports, what the side effects are, and the question about stopping that most services avoid.

11 min read · updated

Supplements

How to read a supplement label without being fooled

Serving sizes, proprietary blends, third-party certification marks, and the regulatory gap that explains why so much of this shelf is ineffective.

8 min read · updated

Fundamentals

The calorie deficit, and why every product is really selling adherence

The one mechanism underneath every product on this site, why that framing is less useful than it sounds, and what actually differentiates approaches that work.

7 min read · updated

Consumer protection

How to cancel a weight loss subscription that does not want to let you go

A practical sequence for getting out of a recurring charge, what your rights actually are, and how to escalate when the cancel button is hiding.

6 min read · updated

Fundamentals

What to ask a doctor before starting any weight loss treatment

A printable list of questions worth taking to an appointment, and the reason each one is on it.

5 min read · updated

Prescription

Semaglutide vs tirzepatide: what the head-to-head trial actually found

Two drugs, two mechanisms, and one direct comparison trial. What the evidence shows about weight loss, side effects, and why the bigger number isn't automatically the right choice for you.

10 min read · updated

Prescription

Brand-name vs compounded GLP-1s: the distinction that matters most

Compounded semaglutide is not a generic. It is a different regulatory category with different guarantees — and the rules changed substantially in 2025. Here is what the difference actually means.

11 min read · updated

Prescription

What GLP-1 treatment actually costs: every fee, itemised

Membership fees, medication cost, labs, dose escalation and the introductory pricing that expires. How to work out your real twelve-month number before you commit.

9 min read · updated

Prescription

Who is actually eligible for GLP-1 weight loss medication

The BMI thresholds on the label, the contraindications that rule people out entirely, and the histories that warrant a longer conversation than an online intake form will give you.

8 min read · updated

Prescription

GLP-1 side effects: what's common, what's serious, and what to do

The gastrointestinal effects almost everyone gets, the rare complications worth knowing the warning signs for, and the practical things that make titration more bearable.

10 min read · updated

Prescription

Storing and shipping GLP-1 medication without ruining it

Refrigeration requirements, how long these drugs tolerate room temperature, what to do when a cold-chain package arrives warm, and how to travel with an injectable.

7 min read · updated

Prescription

Insurance, HSA and FSA for GLP-1 medication

Why coverage is so inconsistent, how prior authorisation and step therapy work, what to do when you're denied, and which of these costs you can pay with pre-tax dollars.

9 min read · updated

Supplements

What "GLP-1 supplements" actually are

The category exploded because of a drug name, not a discovery. What these products contain, what the label is legally allowed to say, and what the name is doing.

8 min read · updated

Supplements

Supplements versus prescription GLP-1s: sort the offer before comparing it

Use the actual product category, evidence and care requirements to organize supplement and GLP-1 prescription offers.

4 min read · updated

Supplements

Berberine: what the research shows, and why "nature's Ozempic" is wrong

Berberine has real metabolic research behind it. It also has a nickname that misrepresents what it does, poor absorption, and a serious drug interaction problem its marketing ignores.

8 min read · updated

Supplements

Fibre and appetite: the most boring effective thing in this category

Soluble fibre has the least exciting marketing and some of the most consistent evidence. It also carries one genuine safety warning worth taking seriously.

7 min read · updated

Supplements

Probiotics, Akkermansia and metabolic health

The gut microbiome research behind this category is genuinely interesting and genuinely early. What has actually been shown in humans, and what the CFU count tells you.

8 min read · updated

Supplements

Protein and satiety: the least marketed, best supported thing here

Protein has stronger evidence for fullness and lean mass preservation than anything else in this category, and it matters most if you are on a GLP-1.

6 min read · updated

Consumer protection

"Natural Ozempic alternative": how to read that phrase

The phrase does a specific job in marketing, and it is not describing the product. What it means, why regulators care, and what it costs people.

7 min read · updated

Consumer protection

What 461 GLP-1 providers publish, and what they leave out

We checked every provider in our directory against twelve things a buyer would want to know before paying. The median provider publishes two of them.

10 min read · updated

Prescription

What happens when you stop taking a GLP-1

Two large trials followed people after the drug was withdrawn. Both found the same thing, and it is the single most important fact to understand before you start.

9 min read · updated

Prescription

Oral GLP-1 pills, and the sublingual drops that are not the same thing

There is now an FDA-approved semaglutide tablet for weight management. That is not what most telehealth sites mean when they advertise an oral GLP-1.

8 min read · updated