Supplement Reviews|By The Weight Weight Team|August 7, 2026

Amy Myers MD Review – Careful Formulation, Familiar Collagen Problem

Affiliate disclosure

We earn a commission if you buy through the links on this page. It did not buy a favourable review.

Amy Myers MD is a physician-founded functional medicine supplement brand with products from $35 to $75 and an average rating of 4.8 across more than 1,300 verified purchasers. The customer sentiment is strong and the formulation care is evident. The product most likely to appeal to readers here — Collagen Protein at $49.97 — is the one that will not do what you want.

What It Is

A supplement line founded by a physician and built around functional medicine principles, covering gut health, thyroid, immune support, collagen and general nutrition. Products are sold direct and through major retailers, generally in the $35 to $75 range.

What a Physician Name on the Label Does and Does Not Mean

A medically qualified founder generally means more careful formulation, clearer labelling and better attention to contraindications than an anonymous white-label brand. Those are real advantages.

What it does not supply is evidence. A qualification tells you the person understands physiology; it does not tell you the specific product has been tested for the outcome it is sold for. Functional medicine as a field is also broader than the evidence supporting it — many of its protocols are plausible extrapolations rather than trial-backed interventions.

We make the same point about BetterBrand’s pharmacist-formulated supplement line and NeuroQ’s physician association. Credentials on the packaging are a reason to expect competence, not a reason to skip asking what the evidence is.

The Collagen Protein at $49.97

Collagen is not a muscle protein. It is very low in leucine — the amino acid that triggers muscle protein synthesis — and contains no tryptophan. On a GLP-1, where a quarter to a third of lost weight can be lean mass, that distinction decides whether your protein spending achieves anything.

This is the third time this issue appears across our reviews — see also bone broth protein and the collagen in Everyday Dose — because collagen is marketed heavily to exactly the audience that most needs complete protein.

Collagen does have modest evidence for skin and connective tissue, so it is not pointless. Just do not let $49.97 of it stand in for the protein that protects your muscle. Our protein guide covers what does, and hemp hearts supply complete protein for about a dollar a serving.

Product Facts

Active ingredients and amounts per serving
Active ingredientAmount per serving
RangeFunctional medicine formulas covering gut, thyroid, immune and general nutrition; per-product amounts not verified by us
Collagen ProteinCollagen peptides at $49.97; leucine content not published in sources we checked
ManufacturerAmy Myers MD
Serving sizeVaries by product; some sold as 2-month supplies of 120 capsules
Servings per containerVaries by product
Other ingredientsNot verified by us
Intended useFunctional-medicine-oriented nutritional support
DirectionsPer the individual product label
WarningsThyroid-oriented supplements can interact with thyroid medication and affect thyroid function — check with a clinician if you take levothyroxine or have thyroid disease. Tell your prescriber what you take.
AllergensCollagen products are animal-derived; other allergens not verified by us
PricingAbout $35 to $75; Collagen Protein $49.97; some 2-month supplies around $35
Subscription optionsNot verified by us
Refund policyNot verified by us
ShippingDirect and through major retailers

Pros and Cons

Pros

  • Average rating of 4.8 across 1,300+ verified purchasers
  • Physician-founded, with the formulation care that usually implies
  • Targeted products rather than kitchen-sink blends
  • Some products available as two-month supplies, improving value
  • Widely available through major retailers

Cons

  • Collagen Protein at $49.97 does nothing for muscle preservation
  • Functional medicine protocols often outrun their evidence base
  • $35–$75 is expensive for nutritional supplementation
  • Per-product amounts not published in sources we could verify
  • Thyroid-oriented products need a medication check
  • No weight-management benefit

Who Should Use It, and Who Should Look Elsewhere

Amy Myers MD suits you if you already follow a functional medicine approach and value formulation care over price. Check any thyroid-oriented product against your medications before starting.

Look elsewhere if you are buying the collagen as protein — it will not protect muscle — or if you want ordinary nutrients at sensible prices, where Nutricost or Nested Naturals cost a fraction as much.

Limitations of This Review

This is a brand-level review based on retailer listings and independent coverage checked on 7 August 2026. We could not establish per-product ingredient amounts, third-party testing practices, allergens or refund terms, and the 4.8 rating is as reported by the brand. Our comments on collagen describe the protein generally rather than this product’s specific amino acid profile. We have not taken any product in the range.

Frequently Asked Questions

Does a physician-founded brand mean better products?

It usually means more care in formulation and clearer labelling, which are real advantages. It does not mean the underlying claims have been tested — a medical qualification is not a clinical trial, and functional medicine protocols often outrun the evidence base.

Is the Collagen Protein worth $49.97?

Not if you are buying it to protect muscle. Collagen is very low in leucine and lacks tryptophan, so it does not trigger muscle protein synthesis. For skin and connective tissue the evidence is modest but real.

How much does the range cost?

Roughly $35 to $75 per product, with Collagen Protein at $49.97 and some 2-month supplies around $35.

What do customers say?

The brand reports an average rating of 4.8 across more than 1,300 verified purchasers, which is strong sentiment on a decent sample.

Verdict

3.0 / 5

Careful, well-liked formulations at premium prices — with a flagship collagen that this audience will buy for the wrong reason.

A physician-founded brand with 4.8 stars from 1,300 verified purchasers is not a company cutting corners, and the formulation care is probably real. If functional medicine is your framework, this is a reasonable place to buy within it.

For readers here the specific warning matters more than the general assessment: $49.97 of collagen protein will not hold your muscle while a GLP-1 takes your weight down. Buy a complete protein for that, and buy the rest of this range on its own merits.

Supplement Disclaimer & Review Date

These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Dietary supplements are not FDA-approved medications, are not reviewed by the FDA for safety or effectiveness before they go on sale, and are not a substitute for prescription treatment.

Nothing on this page is medical advice, and nothing here should be read as a promise of weight loss or of any particular result. Supplements can interact with prescription medications and are not appropriate for everyone. Talk to a doctor or pharmacist who knows your medical history before starting any supplement — particularly if you are pregnant or breastfeeding, take prescription medication, manage a chronic condition, or are already taking a GLP-1 medication.

Details about Amy Myers MD come from the manufacturer's own published materials as of the date below. Ingredients, amounts, pricing, and policies change frequently — check the current label and product page before purchasing.

Last reviewed: August 7, 2026

Collagen for Skin, Something Else for Muscle

If protein for lean mass is the goal, collagen is the wrong molecule at any price. Check any thyroid product against your medications too.