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Middleway Nutrition

Evidence-based GLP-1 and peptide science.

Clear clinical research, dosing context, safety tradeoffs, and practical guides organized into two focused archives.

Latest Articles

20 articles
GLP-1 Without a Doctor: The Grey Market, China Peptides, and What Actually Works in 2026
FeaturedGLP-1

GLP-1 Without a Doctor: The Grey Market, China Peptides, and What Actually Works in 2026

There is no legal way to buy GLP-1 medication in the US without a prescription. 'Research peptides' from China are not a loophole — the FDA has been issuing warning letters and seizing shipments through 2026, and contamination, fake dosing, and bacterial growth are routinely documented in seized batches.

Ryan MacielMay 25, 2026Read
GLP-1 in Canada 2026: Approvals, CAD Prices, Provincial Coverage, and TelehealthGLP-1

GLP-1 in Canada 2026: Approvals, CAD Prices, Provincial Coverage, and Telehealth

What's approved, what it costs in CAD, what your province actually covers, the shortage status after 2024, and how Felix, Maple, and other Canadian telehealth options fit. Cross-border buying is illegal — here's what works instead.

Ryan MacielMay 25, 2026
GLP-1 Pen: How Every Major Injector Works, Doses, Storage, and TroubleshootingGLP-1

GLP-1 Pen: How Every Major Injector Works, Doses, Storage, and Troubleshooting

Every GLP-1 brand uses a different pen — some single-dose, some four-dose, some you prime, some you don't. The Zepbound KwikPen (FDA-approved January 2026) now holds a full month in one device.

Ryan MacielMay 25, 2026
Oral Wegovy vs Injectable Wegovy: Pill Or Weekly Shot?GLP-1

Oral Wegovy vs Injectable Wegovy: Pill Or Weekly Shot?

Oral Wegovy and injectable Wegovy both contain semaglutide, but they differ in dosing routine, absorption, convenience, and practical adherence.

Ryan MacielMay 25, 2026
GLP-1 for Pre-Diabetes: Trial Data, Type 2 Prevention Rates, and the FDA GapGLP-1

GLP-1 for Pre-Diabetes: Trial Data, Type 2 Prevention Rates, and the FDA Gap

GLP-1 medications dramatically reduce progression from prediabetes to type 2 diabetes — up to 94% over 3 years in SURMOUNT-1, 80–84% reverting to normoglycemia in STEP — but no GLP-1 is FDA approved specifically for prediabetes.

Ryan MacielMay 25, 2026
Is GLP-1 Insulin? No — They Are Two Different Hormones (and Two Different Drug Classes)GLP-1

Is GLP-1 Insulin? No — They Are Two Different Hormones (and Two Different Drug Classes)

GLP-1 is not insulin. Insulin is a 51-amino-acid hormone made in the pancreas whose only job is to lower blood glucose. GLP-1 is a 30-amino-acid gut hormone that triggers your own pancreas to release insulin — and does a half-dozen other things insulin does not. They are commonly confused because both are injected and both are used in type 2 diabetes.

Ryan MacielMay 25, 2026
GLP-1 and Joint Pain: Why Most People Get Better, and Why a Minority Get WorseGLP-1

GLP-1 and Joint Pain: Why Most People Get Better, and Why a Minority Get Worse

The STEP-9 trial showed semaglutide cut knee osteoarthritis pain by ~42 points on a 100-point scale at 68 weeks. But a small subgroup develops new joint pain on GLP-1s — almost always from rapid muscle loss, dehydration, gout flares, or post-loss biomechanics. Both directions explained.

Ryan MacielMay 25, 2026
Amylin Agonist Guide: The Next Obesity Drug Pathway To WatchGLP-1

Amylin Agonist Guide: The Next Obesity Drug Pathway To Watch

Amylin agonists are emerging as a major obesity-drug pathway because they may complement GLP-1 appetite and metabolic effects.

Ryan MacielMay 25, 2026
Cagrilintide Guide: The Amylin Analogue Behind CagriSemaGLP-1

Cagrilintide Guide: The Amylin Analogue Behind CagriSema

Cagrilintide is an investigational long-acting amylin analogue being studied for obesity and metabolic disease, including in combination with semaglutide.

Ryan MacielMay 25, 2026
CagriSema Guide: Cagrilintide Plus SemaglutideGLP-1

CagriSema Guide: Cagrilintide Plus Semaglutide

CagriSema is Novo Nordisk's investigational fixed-dose combination of cagrilintide and semaglutide for weight management.

Ryan MacielMay 25, 2026
GLP-1 After 3 Months: The Checkpoint That Decides the Next YearGLP-1

GLP-1 After 3 Months: The Checkpoint That Decides the Next Year

At the 3-month mark, real-world data shows ~5.9% mean weight loss on semaglutide and 7–10% on tirzepatide. That number determines insurance coverage, dose decisions, and whether to switch drugs.

Ryan MacielMay 25, 2026
GLP-1 Qualifications: Who Actually Qualifies in 2026 (BMI, Conditions, Age)GLP-1

GLP-1 Qualifications: Who Actually Qualifies in 2026 (BMI, Conditions, Age)

FDA approval criteria and insurance prior authorization criteria are not the same thing — and insurance is usually stricter. Here is who qualifies for a GLP-1 in 2026, what counts as a qualifying weight-related condition, and what to do if you don't qualify yet.

Ryan MacielMay 25, 2026
GLP-1 After Gastric Bypass: Weight Regain, Timing, and Dose GuideGLP-1

GLP-1 After Gastric Bypass: Weight Regain, Timing, and Dose Guide

Adding a GLP-1 after gastric bypass or sleeve produces 5–15% additional weight loss in patients who plateaued or regained. Most surgeons wait at least 12 months post-op and prefer injectable over oral semaglutide.

Ryan MacielMay 25, 2026
GLP-1 Success Stories: 10 Real Composite Patient Outcomes (and What Set the High Responders Apart)GLP-1

GLP-1 Success Stories: 10 Real Composite Patient Outcomes (and What Set the High Responders Apart)

Roughly 25–32% of trial patients on high-dose GLP-1s lose more than 20% of body weight. Real-world results are lower. Here are 10 composite stories showing the full range — from 100+ lb losses to non-responders — and what separates them.

Ryan MacielMay 25, 2026
Does GLP-1 Help With Inflammation? What the CRP, IL-6, and TNF-α Data ShowGLP-1

Does GLP-1 Help With Inflammation? What the CRP, IL-6, and TNF-α Data Show

GLP-1 medications reliably lower systemic inflammation markers. CRP drops 20–30% on semaglutide and up to 50–65% on tirzepatide. Some of that is weight loss; some is direct anti-inflammatory action via immune-cell GLP-1 receptors.

Ryan MacielMay 25, 2026
GLP-1 vs Bariatric Surgery: Which Wins for Weight Loss?GLP-1

GLP-1 vs Bariatric Surgery: Which Wins for Weight Loss?

Bariatric surgery still produces about twice the weight loss of GLP-1 medications and holds it longer. GLP-1s are easier, reversible, and increasingly used before, after, or instead of surgery.

Ryan MacielMay 25, 2026
GLP-1 Before Surgery and Colonoscopy: ASA + AGA 2024 GuidelinesGLP-1

GLP-1 Before Surgery and Colonoscopy: ASA + AGA 2024 Guidelines

The 2023 ASA rule was simple: hold weekly GLP-1s for 7 days, daily ones for 24 hours. The 2024 multisociety update is more nuanced — most patients can continue, with a 24-hour clear liquid diet as the main safeguard.

Ryan MacielMay 25, 2026
GLP-1 vs Metformin: A Head-to-Head Comparison for Type 2 Diabetes and Weight LossGLP-1

GLP-1 vs Metformin: A Head-to-Head Comparison for Type 2 Diabetes and Weight Loss

Metformin is dirt cheap and still the default first pill for type 2 diabetes. GLP-1s drop A1C harder and produce 3-10x more weight loss — at 100-300x the price. Most patients end up on both, not one or the other.

Ryan MacielMay 25, 2026
GLP-1 And The Gut Microbiome: What We Know So FarGLP-1

GLP-1 And The Gut Microbiome: What We Know So Far

The GLP-1 and microbiome relationship is likely bidirectional, but probiotic-style claims still outrun the evidence.

Ryan MacielMay 25, 2026
GLP-1 with B12: Honest Analysis of Compounded Semaglutide + Cyanocobalamin (Marketing vs Evidence)GLP-1

GLP-1 with B12: Honest Analysis of Compounded Semaglutide + Cyanocobalamin (Marketing vs Evidence)

Compounded semaglutide and tirzepatide are sometimes sold with 1000 mcg of B12 mixed in. The pitch is more energy, less nausea, better metabolism. The evidence is thinner than the marketing suggests — here is what B12 actually does, when it matters, and when it is just a differentiator.

Ryan MacielMay 25, 2026