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    Rated 4.6/5 by 24 verified customers

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    Semaglutide research peptide - high purity lyophilized powder for laboratory research

    5MG

    $40
    Sold Out

    This product is for research purposes only. Not for human consumption.

    Purity: >98% (HPLC verified)

    Formulation: Lyophilized powder

    Molecular Formula: C187H291N45O59

    Molecular Weight: 4113.64 g/mol

    CAS Number: 910463-68-2

    PubChem CID: 56843331

    Semaglutide Molecular Structure

    Semaglutide

    GLP-1 Agonists

    Overview

    Semaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist that represents a breakthrough in metabolic medicine. As a synthetic peptide analog of human GLP-1, it mimics the action of this naturally occurring incretin hormone but with significantly enhanced stability and duration of action.

    Originally developed for type 2 diabetes management, semaglutide has demonstrated remarkable efficacy across multiple therapeutic areas including weight management, cardiovascular protection, and metabolic health optimization.

    The molecule features strategic modifications including an acylation side chain that enables albumin binding, resulting in a prolonged half-life of approximately one week, making it suitable for once-weekly administration. This pharmacokinetic profile has revolutionized treatment paradigms by improving patient compliance while maintaining consistent therapeutic effects.

    Mechanism of Action

    Semaglutide exerts its multifaceted effects through several interconnected pathways. Upon administration, it binds to and activates GLP-1 receptors distributed throughout the body, including pancreatic beta cells, the gastrointestinal tract, and specific regions of the central nervous system.

    Pancreatic Effects

    In pancreatic beta cells, GLP-1 receptor activation triggers glucose-dependent insulin secretion, meaning insulin release is enhanced only when blood glucose levels are elevated, thereby minimizing hypoglycemia risk. Simultaneously, semaglutide suppresses inappropriate glucagon secretion from pancreatic alpha cells, further contributing to improved glycemic control.

    Gastrointestinal Effects

    The peptide significantly delays gastric emptying through actions on the gastric smooth muscle and vagal afferents, which slows nutrient absorption and helps regulate postprandial glucose excursions.

    Central Nervous System Effects

    Perhaps most notably for weight management applications, semaglutide crosses the blood-brain barrier to act on GLP-1 receptors in the hypothalamus and brainstem, specifically targeting the arcuate nucleus and nucleus tractus solitarius. These central actions reduce appetite, enhance satiety, and decrease food cravings through modulation of pro-opiomelanocortin (POMC) neurons and other appetite-regulating pathways.

    Cardiovascular Effects

    Additionally, semaglutide has demonstrated cardioprotective effects independent of glucose lowering, possibly through anti-inflammatory mechanisms, improved endothelial function, and favorable effects on blood pressure and lipid metabolism.

    Research Findings

    The clinical research portfolio for semaglutide is exceptionally comprehensive, spanning multiple large-scale, international, randomized controlled trials.

    STEP Clinical Trial Program

    The landmark STEP (Semaglutide Treatment Effect in People with obesity) clinical trial program represents the most extensive investigation of semaglutide for weight management:

  1. STEP 1 (New England Journal of Medicine): Enrolled 1,961 adults with obesity or overweight and demonstrated a mean weight loss of 14.9% from baseline at 68 weeks with semaglutide 2.4 mg compared to 2.4% with placebo. Notably, 86.4% of participants achieved at least 5% weight loss, and 69.1% achieved at least 10% weight loss.

  2. STEP 2: Specifically examined adults with type 2 diabetes and obesity, showing mean weight reduction of 9.6% with semaglutide 2.4 mg versus 3.4% with placebo, alongside significant improvements in HbA1c levels.

  3. STEP 3: Combined semaglutide with intensive behavioral therapy, achieving mean weight loss of 16.0%.

  4. STEP 4: Assessed weight maintenance after initial weight loss, demonstrating that continued semaglutide treatment resulted in additional weight reduction whereas placebo led to weight regain.

    SUSTAIN Clinical Trial Series

    Beyond the STEP program, the SUSTAIN clinical trial series established semaglutide's efficacy for type 2 diabetes management. SUSTAIN 6, a cardiovascular outcomes trial, revealed a 26% reduction in major adverse cardiovascular events (MACE) including cardiovascular death, non-fatal myocardial infarction, and non-fatal stroke. This cardiovascular benefit was observed across diverse patient populations and appears to extend beyond glucose control effects.

    SELECT Trial

    The SELECT trial, one of the largest cardiovascular outcomes trials in obesity medicine, enrolled over 17,000 participants with established cardiovascular disease and obesity or overweight (without diabetes) and demonstrated a 20% reduction in MACE with semaglutide 2.4 mg.

    Additional Research Areas

    Emerging research has also investigated semaglutide's potential benefits in:

  5. Liver Disease: Non-alcoholic fatty liver disease (NAFLD/NASH) studies showing significant reductions in liver fat content and improvements in inflammatory markers.

  6. Metabolic Health: Favorable effects on lipid profiles, with reductions in triglycerides and LDL cholesterol, alongside improvements in markers of systemic inflammation.

  7. Neuroprotection: Promising results in animal models of neurodegenerative diseases, with ongoing clinical trials examining potential applications in Alzheimer's disease and Parkinson's disease.

  8. Quality of Life: Sustained improvements in obesity-related comorbidities including obstructive sleep apnea, osteoarthritis symptoms, and overall quality of life measures.

  9. Research Applications

    • Type 2 diabetes management and glycemic control research
    • Obesity treatment and long-term weight management studies
    • Cardiovascular disease prevention and outcomes research
    • Metabolic syndrome and insulin resistance studies
    • Appetite regulation and satiety mechanism research
    • Non-alcoholic fatty liver disease (NAFLD/NASH) investigations
    • Cardiovascular risk reduction in obesity research
    • Inflammation and oxidative stress studies
    • Neuroprotection and cognitive function research
    • Quality of life and obesity-related comorbidity studies
    • Polycystic ovary syndrome (PCOS) research
    • Bariatric surgery alternative studies

    Safety Profile

    Semaglutide has been extensively evaluated for safety across more than 10,000 participants in clinical trials, with exposure durations extending beyond 3 years in some studies. The safety profile is well-characterized and generally favorable when used according to prescribing guidelines.

    Common Side Effects

    The most commonly reported adverse events are gastrointestinal in nature:

    • Nausea (approximately 20-44% of participants)
    • Diarrhea (approximately 30%)
    • Vomiting (approximately 24%)
  10. Constipation (approximately 24%)

    These symptoms are typically mild to moderate in severity, tend to occur most frequently during dose escalation, and generally diminish over time as tolerance develops. Following a gradual dose titration schedule significantly reduces the incidence and severity of gastrointestinal side effects.

    Serious Adverse Events

    Serious adverse events are uncommon but have been documented and warrant appropriate monitoring:

  11. Pancreatitis: Cases of acute pancreatitis have been reported (approximately 0.2-0.3% incidence). Patients should discontinue semaglutide and seek immediate medical attention if they experience severe, persistent abdominal pain.

  12. Gallbladder Events: Cholelithiasis and cholecystitis have been observed at slightly higher rates, likely related to rapid weight loss rather than a direct drug effect.

  13. Thyroid Considerations: In preclinical rodent studies, semaglutide was associated with thyroid C-cell tumors; however, this has not been observed in human trials. Semaglutide is contraindicated in individuals with a personal or family history of medullary thyroid carcinoma or MEN 2.

    Additional Safety Information

    Hypoglycemia risk is minimal with semaglutide monotherapy due to its glucose-dependent mechanism of action, though risk increases when combined with insulin or sulfonylureas. Cardiovascular safety has been thoroughly evaluated, with trials demonstrating not only safety but also significant cardiovascular benefits. Renal safety data indicate that semaglutide is generally well-tolerated in patients with mild to moderate renal impairment.

    Overall, when prescribed appropriately with proper patient selection, dose titration, and monitoring, semaglutide presents a favorable benefit-risk profile for its approved indications.

  14. Scientific References

    Customer Reviews

    4.6

    Based on 24 reviews

    5 star
    16
    4 star
    6
    3 star
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    AdrianaVerified Purchase
    5 days ago

    Consistent quality for sure

    Ordering is always so easy and the product is exactly the same every time I buy. Really happy with the reliability of this shop.

    DustinVerified Purchase
    6 days ago

    shipping was slow

    Shipping took forever but ordering was easy.

    Jason K.Verified Purchase
    8 days ago

    Top tier quality and price

    I've ordered multiple times and the quality is always consistent. The price is much better than others I found. Highly recommend for the value.

    Jason K.Verified Purchase
    11 days ago

    Top tier service

    The customer service was great and everything was packed very securely.

    DarrenVerified Purchase
    11 days ago

    Fast shipping and good support

    Received my order much faster than expected. The package was secure and customer support was very helpful with my questions.

    NicoleVerified Purchase
    16 days ago

    Consistent quality and price

    The pricing is better than other places I have tried and the quality stays exactly the same with every order.

    CraigVerified Purchase
    17 days ago

    Good experiences overall

    Always consistent quality and shipping is usually pretty quick. Helpful stuff.

    SeanVerified Purchase
    20 days ago

    Reliable service and quality

    The customer service team really helped me out with a tracking issue. Every order has been consistent so far, though shipping took a bit longer this time. Not their fault though.

    KaraVerified Purchase
    20 days ago

    happy with the service

    the coa was easy to find and support responded to my questions quickly. good product.

    AdrianaVerified Purchase
    22 days ago

    Simple to reorder

    Shipping was fast and reordering my supply was super easy.

    FeliciaVerified Purchase
    24 days ago

    Safe arrival and helpful staff

    the package was Очень secure and arrived quickly. custom service helped me with my order questions for my metabolic research study. happy so far.

    Mia S.Verified Purchase
    26 days ago

    Super helpful team

    Order process was a breeze and support helped with my questions.

    HassanVerified Purchase
    27 days ago

    Top tier stuff

    High quality and very consistent results.

    Alex K.Verified Purchase
    29 days ago

    Top tier stuff

    Fast delivery and the quality is definitely there. Very happy with how this is working out.

    Josh D.Verified Purchase
    about 1 month ago

    slow response time

    took way too long for customer service response

    LindseyVerified Purchase
    about 1 month ago

    Love the value

    the website was so easy to navigate and the prices are much better than elsewhere. everything arrived quickly and i am very happy with the results so far.

    SimoneVerified Purchase
    about 1 month ago

    Great stuff as always

    COAs are solid and always consistent quality.

    JakeVerified Purchase
    about 1 month ago

    Fast shipping and clear labels

    Order showed up quick. I really like how clear and professional the labels look on these.

    CoreyVerified Purchase
    about 1 month ago

    Top shelf quality

    the purity is top shelf and packaging was very secure.

    VictorVerified Purchase
    about 2 months ago

    Quick delivery and solid value

    Landed my Semaglutide order in record time and the bulk pricing is hard to beat for my lab work.

    PriyaVerified Purchase
    about 2 months ago

    Very impressed

    First time ordering from Alpha Carbon Labs and I'm very impressed with the quality and the whole experience. Packaging was discreet and secure. Product works exactly as expected.

    Chris T.Verified Purchase
    about 2 months ago

    Excellent purity

    Third time ordering semaglutide from here. Always consistent quality and the COA checks out every time. Shipping is always fast too. My go-to supplier now.

    Nathan K.Verified Purchase
    about 2 months ago

    Solid product

    Good quality semaglutide at a competitive price. Only reason for 4 stars instead of 5 is I wish they had more dosage options. But the product itself is great.

    Derek W.Verified Purchase
    about 2 months ago

    Great quality and fast shipping

    The Semaglutide arrived much faster than I expected, and the packaging was very secure. I really appreciate that they provide a clear COA for every batch so I can trust the purity for my research.

    Research Use Only

    This product is intended for research purposes only and is not for human consumption, therapeutic use, or diagnostic applications. Please ensure compliance with all applicable regulations and institutional guidelines.