Buy Glucophage SR
Glucophage SR

$0.74
Category
Active Ingredient
Delivery
Airmail (14-21 days) | EMS trackable (5-9 days)
Prescription
Issued on site / Included
Availability
In Stock
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Glucophage SR Properties

Active Ingredients
Primary Category
Therapeutic Class
Pharmacological Class
Biguanides
Indications
Minor Side Effects
Dosage Forms
Extended-Release Tablets
Administration Route
Oral
Mechanism of Action
Works in several ways to lower blood sugar levels. It reduces the amount of sugar the liver makes, decreases sugar absorption from the gut, and improves the body's response to insulin.
Prescription Status
Rx
Manufacturer
Merck
Patient Summary
Used to help control high blood sugar in people with type 2 diabetes, often along with diet and exercise.
Onset Time
Gradual (extended-release)
Duration
Approximately 24 hours
Storage Instructions
Store at room temperature, away from moisture
Age Restrictions
As directed by a doctor, typically for adults and some children
Pregnancy Use
Consult doctor before use

About Glucophage SR

Generic Glucophage SR (Metformin) is a prescription-only, extended-release tablet used primarily to improve blood-sugar control in adults with type 2 diabetes. The active ingredient, metformin, belongs to the biguanide class of oral antihyperglycaemic agents and works by targeting hepatic glucose production and peripheral insulin sensitivity. In Australia, the formulation is approved for adults who need a once-daily regimen that smooths the peaks and troughs typical of immediate-release tablets. Although its principal indication is type 2 diabetes, clinicians sometimes consider it for related metabolic disorders under specialist supervision.

What is Generic Glucophage SR (Metformin)?

Generic Glucophage SR (Metformin) is a tablet that delivers 500 mg of metformin in a sustained-release matrix, allowing once-daily dosing. The product is registered with the Therapeutic Goods Administration (TGA) as an S4 (prescription-only) medicine and was introduced to the Australian market following the global approval of metformin’s extended-release technology. As a generic, it contains the same active ingredient as the brand-named Glucophage, and bioequivalence studies have confirmed that systemic exposure matches that of the reference product. This means patients receive the same therapeutic effect at a lower cost, with the added convenience of reduced dosing frequency.

How Glucophage SR Works

Metformin exerts its glucose-lowering effect through several inter-related mechanisms:

  • Inhibition of hepatic gluconeogenesis - By activating the AMP-activated protein kinase (AMPK) pathway, metformin reduces the liver’s production of glucose, a major contributor to fasting hyperglycaemia.
  • Improvement of peripheral insulin sensitivity - AMPK activation also enhances glucose uptake in skeletal muscle and adipose tissue, allowing cells to use circulating glucose more efficiently.
  • Modulation of intestinal glucose absorption - Metformin modestly slows carbohydrate absorption in the gut, contributing to lower post-prandial spikes.
  • Alteration of gut microbiota - Emerging data suggest changes in the composition of intestinal bacteria that may further support glycaemic control.

The sustained-release (SR) formulation incorporates a polymer matrix that dissolves slowly, producing a gradual rise in plasma metformin levels. Peak concentrations are typically reached 6-8 hours after ingestion, and the drug’s apparent half-life is about 6.2 hours. Because the release is prolonged, steady-state concentrations are achieved after 2-3 days of daily dosing, providing more consistent glucose-lowering without the high peaks provoke gastrointestinal upset.

Why Glucophage SR Is Used for Metabolism, Endocrinology Conditions

  • Type 2 diabetes mellitus (T2DM) - first-line therapy • Metformin’s ability to lower hepatic glucose output directly addresses the principal driver of fasting hyperglycaemia in T2DM. • Australian Diabetes Society (ADS) guidelines place metformin, including extended-release forms, as the cornerstone of initial pharmacologic management unless contraindicated.

  • Reduced risk of hypoglycaemia • Unlike insulin or sulfonylureas, metformin does not stimulate insulin secretion, so episodes of low blood glucose are rare.

  • Weight neutrality or modest loss • By improving insulin sensitivity, metformin often helps patients maintain or modestly reduce body weight, an important factor in metabolic syndrome.

  • Cardiovascular benefit • Large-scale trials (e.g., UKPDS) demonstrated that metformin reduces macrovascular events relative to diet alone, supporting its use in patients with high cardiovascular risk.

  • Convenient once-daily dosing • The SR tablet can be taken with the evening meal, simplifying adherence compared with immediate-release tablets that require multiple daily doses.

In each of these scenarios, the drug’s mechanism aligns with the pathophysiology of the condition, providing a rational basis for its inclusion in treatment algorithms.

Off-Label and Investigational Uses of Glucophage SR

Research has explored metformin’s effects beyond glucose control:

  • Polycystic ovary syndrome (PCOS) - Randomised controlled trials indicate that metformin can improve ovulatory frequency and reduce androgen levels in women with PCOS, particularly when combined with lifestyle measures.
  • Prediabetes and metabolic syndrome - Studies show that metformin delays progression to overt diabetes in high-risk individuals, though it is not a formally approved indication in Australia.

Off-label use should only be considered under the supervision of a qualified healthcare provider, because dosing, monitoring, and safety considerations may differ from those established for type 2 diabetes.

Is Glucophage SR Right for You?

Glucophage SR is most appropriate for adults with type 2 diabetes who:

  • Require consistent glycaemic control without the risk of hypoglycaemia.
  • Prefer a once-daily regimen to improve adherence.
  • Have adequate renal function (eGFR ≥ 45 mL/min/1.73 m²) - dose adjustments are advised for lower eGFR values.

Special populations:

  • Elderly - Start at the lowest dose (500 mg) and titrate slowly to minimise gastrointestinal side effects.
  • Pregnancy - Classified as B3; continuation is generally permitted when benefits outweigh potential risks.
  • Renal impairment - Contraindicated in severe renal failure; dose reduction is required for moderate impairment.

Patients with known hypersensitivity to metformin, acute or chronic metabolic acidosis, or significant hepatic disease should avoid the medication, as highlighted in the product information.

Taking Glucophage SR Effectively

  • Timing - Take the tablet with the meal to enhance absorption and reduce gastrointestinal irritation.
  • Water - Swallow the tablet whole with a full glass of water; do not crush or chew, as this destroys the extended-release matrix.
  • Missed dose - If a dose is missed, take it as soon as remembered provided it is at least 8 hours before the next scheduled dose; otherwise, skip it and resume the regular schedule.
  • Travel - Carry the medication in its original packaging with the prescription label to avoid customs issues; keep it protected from moisture and extreme temperature.

Consistent dosing, combined with dietary modifications and regular exercise, yields the greatest reduction in HbA1c.

Understanding Side Effects and How to Manage Them

  • Gastrointestinal upset (nausea, diarrhoea, abdominal discomfort) - These arise from metformin’s direct effect on intestinal motility and bile acid metabolism. Starting with a low dose and titrating upward, taking the tablet with food, and using a short-acting antidiarrhoeal if needed can mitigate symptoms.
  • Vitamin B12 deficiency - Metformin interferes with calcium-dependent absorption of B12 in the terminal ileum. Periodic monitoring of serum B12 (every 2-3 years) and supplementation when levels fall is advisable.
  • Lactic acidosis (rare but serious) - Occurs when metformin accumulates in the setting of renal or hepatic failure, leading to anaerobic metabolism. Prompt medical attention is required for unexplained muscle pain, rapid breathing, or severe fatigue.
  • Metallic taste - Transient and typically resolves as the body adapts; chewing sugar-free gum may help.

Most side effects are mild and transient; however, any persistent or severe reaction warrants immediate evaluation by a healthcare professional.

Buying Glucophage SR from Our Online Pharmacy

Why Choose Our Service?

Our online pharmacy offers a discreet, reliable pathway to obtain Glucophage SR when local pharmacies face stock shortages or when insurance coverage limits access. By leveraging established supply chains, we can provide the medication at a cost that often undercuts brick-and-mortar retail prices.

Quality & Safety

We work with licensed international pharmacies that adhere to stringent Good Manufacturing Practice (GMP) standards and are audited by regulatory authorities. All batches are sourced from manufacturers that meet the Therapeutic Goods Administration’s quality requirements, ensuring the product you receive matches the specifications on the label.

Pricing & Access

Because Glucophage SR is a generic, the price per 500 mg tablet is substantially lower than the branded equivalent. Our platform applies bulk-purchase discounts, passing the savings directly to you. Repeat prescriptions qualify for a lifetime 10 % discount on all reorders, reducing the financial burden of long-term therapy.

Discreet Delivery

Orders are packaged in unmarked, tamper-evident envelopes. Express shipping takes approximately 7 days within metropolitan areas, while standard delivery arrives within 3 weeks nationwide. Tracking information is provided for every shipment, allowing you to monitor progress securely.

Frequently Asked Questions

  • How long does it take for Glucophage SR to lower my HbA1c? Clinical trials show an average reduction of 1-1.5 % in HbA1c after 12 weeks of consistent therapy, provided the dose is titrated to the optimal level and lifestyle measures are maintained.

  • Can I switch from immediate-release metformin to Glucophage SR without a wash-out period? Yes. The extended-release formulation can be initiated at the same total daily dose, but it is prudent to start with a lower dose (e.g., 500 mg) and increase gradually to assess tolerance.

  • Is it safe to take Glucophage SR with a high-protein diet? Metformin’s absorption is not significantly affected by macronutrient composition, so a high-protein regimen does not diminish efficacy. However, adequate hydration remains important.

  • What should I do if I develop a persistent metallic taste? This sensation typically resolves within a few weeks. If it persists beyond one month, discuss with your prescriber, who may adjust the dose or consider an alternative therapy.

  • Does Glucophage SR interact with over-the-counter antacids? Antacids containing aluminum or magnesium can modestly decrease metformin absorption if taken simultaneously. Space the doses by at least two hours to minimise this effect.

  • Can I use Glucophage SR while training for a marathon? Metformin does not impair aerobic performance, but the medication may cause mild gastrointestinal upset during intense training. Taking the tablet with a substantial meal before long runs can help.

  • Is there a risk of hypoglycaemia if I combine Glucophage SR with insulin? When added to insulin therapy, metformin may enhance overall glucose lowering, so insulin doses often need adjustment. Monitoring blood glucose closely during initiation is essential.

  • Why does my doctor recommend periodic kidney tests while I’m on Glucophage SR? Metformin is excreted unchanged by the kidneys; declining renal function can lead to drug accumulation and increase the risk of lactic acidosis. Regular eGFR assessments ensure dosing remains safe.

  • Can I take Glucophage SR during a short course of antibiotics? Most antibiotics do not affect metformin metabolism, but certain agents (e.g., trimethoprim) can transiently reduce renal clearance. Inform your prescriber of any concurrent medications.

  • Does Glucophage SR affect lipid profiles? Some studies report modest reductions in LDL-cholesterol and triglycerides, likely secondary to improved insulin sensitivity, though it is not formally indicated for dyslipidaemia.

Glossary

AMP-activated protein kinase (AMPK)
An intracellular enzyme that regulates energy balance; activation by metformin reduces hepatic glucose production.
Extended-release (SR)
A formulation designed to release the active drug slowly over several hours, allowing once-daily dosing.
eGFR
Estimated glomerular filtration rate, a measure of kidney function used to adjust metformin dosing.

Disclaimer

The information provided about Glucophage SR is for general knowledge only and does not replace professional medical consultation. All treatment decisions, including those regarding off-label use, should be made under the supervision of a qualified healthcare provider. We assume all readers are responsible adults capable of making informed decisions about their health. Our online pharmacy offers access to Glucophage SR for individuals who may have limited availability through traditional pharmacies, prescription-based insurance schemes, or who are seeking affordable generic alternatives. Always consult your doctor before starting, changing, or discontinuing any medication.

External Resources about Glucophage SR


Information Prepared By

Sarah Jones
Tosin (Olalekan) Olaluwoye, MD, PhD