Made in Australia ✦Sydney: hand-delivered ✦Buy 3 get 1 free ✦Same-day dispatch before 1PM AEST ✦750+ orders shipped ✦
Made in Australia ✦Sydney: hand-delivered ✦Buy 3 get 1 free ✦Same-day dispatch before 1PM AEST ✦750+ orders shipped ✦
ozpeptides.Order on WhatsApp →
Home/Weight loss & metabolic/Semaglutide/20MG
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Weight loss & metabolic · No. 003

Semaglutide 20MG

GLP-1 receptor agonist
★★★★★4.8 · Verified buyers● In stock · ships today
STRENGTH · EACH HAS ITS OWN PAGE
FORMAT
QUANTITY3 MORE FOR A FREE VIAL
1
✆Order on WhatsApp1 × 20MG vial→
SYDNEYHand-delivered by our team
AUSTRALIA-WIDETracked express post
Ships next business day · Sydney delivery free over $100 · Express post free over $200
Why Semaglutide

The GLP-1 benchmark.

Semaglutide is a GLP-1 (glucagon-like peptide-1) receptor agonist that has been extensively studied in appetite and weight management research.

✓
Single-receptor precisionA selective GLP-1 receptor agonist.
✓
Extensively studiedThe reference compound for GLP-1 metabolic research.
2
Two strengths10MG and 20MG, as vial, pre-mixed or cartridge.
GLP-1 RECEPTOROZPEPTIDESSEMAGLUTIDE20MG
Reviews

Researchers
reorder.

4.8★★★★★
750+ orders shipped1 in 3 reorder in 30 days
“Been ordering from OzPeptides for nearly a year now and honestly the service just keeps getting better. The guys are super responsive whenever I have a question and the orders always show up fast. Couldn't recommend them more highly.
✓
Verified customerOzPeptides · ✓ Verified buyer
★★★★★
★★★★★Arrived next day, perfect packaging
“Ordered in the morning and had it on my doorstep the following day — couldn't believe how quick it was. Packaged really well, nothing damaged, and everything was exactly as described. Will definitely be ordering again soon.”
✓Verified customer · OzPeptides✓ VERIFIED
★★★★★Best in Australia, no question
“I've tried a few different suppliers here and OzPeptides is just on another level. The quality is consistently great and the team is actually helpful when you reach out. Once you order from here it's hard to go back anywhere else.”
✓Verified customer · OzPeptides✓ VERIFIED
★★★★★Consistent quality every time
“Been ordering here for months and the consistency is what really impresses me. Every single order has been exactly the same — quick dispatch, well packed, and the product is always spot on. That reliability means everything to me.”
✓Verified customer · OzPeptides✓ VERIFIED
★★★★★Customer service is top notch
“I had a question before placing my first order and someone got back to me really quickly with a proper answer, not just a copy-paste response. That kind of care carries through to the whole experience. Very happy customer here.”
✓Verified customer · OzPeptides✓ VERIFIED
★★★★★Great service, fast delivery
“Third order now and every single one has been smooth. Placed the order before lunch and had tracking by that afternoon. The packaging is neat and discreet which I really appreciate. Five stars all the way.”
✓Verified customer · OzPeptides✓ VERIFIED
★★★★★My go-to, won't shop anywhere else
“I've been a regular customer for a while now and there's just no reason to go anywhere else. Consistent quality, fast postage, and the team is genuinely friendly. Already got my next order ready to go.”
✓Verified customer · OzPeptides✓ VERIFIED
SYDNEYHand-delivered
to your door.
Our own team delivers Sydney orders personally. No couriers, no depots.
EVERYWHERE ELSETracked express,
same-day dispatch.
Confirmed before 1PM AEST? It leaves the lab today. Express post $15 Australia-wide, free over $200. Plain packaging.
Quality · every batch

Tested here.
Proven on paper.

0 ppm
What does 0 ppm mean?ppm means "parts per million". A result of 0 ppm means our lab found no lead, mercury, arsenic or cadmium in the batch. Nothing toxic, nothing hidden.
Made✓ Australia✕ Overseas
Heavy metals✓ None detected✕ Rarely tested
Certificate✓ Batch-matched✕ Generic
Delivery✓ Hand / express✕ 2–4 weeks
CERTIFICATE OF ANALYSIS · EXAMPLESemaglutide · 20MGBatch SEM-020-2609 · Manufactured in Australia
PASS
Purity (HPLC)≥99.0%99.4% ✓
Identity (MS)4113.6 DaConforms ✓
Lead (Pb)0 ppm0 ppm ✓
Mercury (Hg)0 ppm0 ppm ✓
Arsenic (As)0 ppm0 ppm ✓
Cadmium (Cd)0 ppm0 ppm ✓
Description

Semaglutide 20MG

Semaglutide is a GLP-1 (glucagon-like peptide-1) receptor agonist that has been extensively studied in appetite and weight management research.

✓Purity: ≥99% by HPLC
✓Identity: confirmed by mass spectrometry
✓Heavy metals: 0 ppm (none detected)
✓Made in Australia · tested every batch
✓Research use only
SPECIFICATIONS
CompoundSemaglutide
Strength20MG
FormatVial
Molecular weight4113.6 Da
Purity≥99% (HPLC)
IdentityMass spec confirmed
Heavy metals0 ppm · none detected
OriginMade in Australia
SKUSEMAGLUTIDE-20MG
UseResearch use only
FAQ · 6 questions

Semaglutide
questions, answered.

✆ Ask the lab →

Semaglutide 20MG is $170 from OzPeptides, which is $8.50 per mg. It is made and tested in our own Australian lab.

About Semaglutide

Semaglutide: the complete research guide

By the OzPeptides lab team · Updated 28 Sep 2026 · 280 wordsRead the Semaglutide research guide →

Why Semaglutide 20MG specifically

Semaglutide 20MG is the largest of our two Semaglutide strengths: a 20mg vial of lyophilised powder at $170, or $8.50 per mg. GLP-1 appetite & weight management research, synthesised and tested in our own Australian lab. It is also the best value per milligram in the range.

What is in a 20MG vial

A Semaglutide 20MG vial contains 20mg — 20,000 micrograms — of lyophilised powder.

Reconstituted with 1ML of bacteriostatic water it gives 20mg/ML, so a 0.1ML draw holds 2mg. With 2ML that becomes 10mg/ML and 1mg per 0.1ML; with 3ML, 6.67mg/ML and 666.7mcg. The powder is the same either way — the volume only changes the concentration.

Bacteriostatic water is sold separately. Pre-mixed vials and pen cartridges arrive reconstituted, so this arithmetic only applies to the plain vial.

How many draws a 20MG vial holds

A 20MG vial is 20,000 micrograms, so at 250mcg per draw it holds 80 draws, at 500mcg it holds 40, and at 1mg it holds 20. That count does not change with how much bacteriostatic water is added — the water sets the concentration, not the quantity.

At $170 the vial, that works out to $2.13 per 250mcg draw, $4.25 per 500mcg draw, or $8.50 per 1mg. Cost per draw is usually a more useful comparison than cost per vial, because it is the figure that survives a change of strength.

20MG on a 100-unit syringe

A standard U-100 insulin syringe holds 1ML in 100 marked units, so one unit is 0.01ML. Reconstitute this 20MG vial with 1ML and 250mcg sits at 1.25 units; with 2ML it is 2.50 units; with 3ML, 3.75 units.

For a 500mcg draw the same three volumes give 2.50, 5 and 7.50 units. Choosing the volume that puts a typical draw on a whole number rather than an awkward fraction removes a whole category of measuring error, which is the practical reason to do this arithmetic before mixing rather than after.

Plain, pre-mixed or pen cartridge

Semaglutide 20MG is $170 as a plain lyophilised vial, and the same as a mixed vial or pen cartridge: we reconstitute it here at no extra cost, and it arrives as a solution.

The plain vial keeps longest, because a lyophilised peptide stored cold and dry outlasts the same peptide in solution by a wide margin. Pre-mixed suits anyone who would rather not handle the reconstitution step, and the cartridge suits a pen. Bacteriostatic water is sold separately and is only needed for the plain vial.

Buying Semaglutide 20MG in Australia

Semaglutide 20MG is $170. Sydney delivery is free on orders over $100, so a single 20MG vial clears that threshold on its own. Everywhere else in Australia is $15 express post, free on orders of $200 or more. Orders placed before the daily cut-off dispatch the same day from Sydney.

The peptide itself is synthesised and tested in our own lab in Blacktown, NSW — not imported in bulk and relabelled here, which is how most research peptides reach the Australian market. That matters for a practical reason rather than a patriotic one: an imported peptide has a longer chain between synthesis and vial, the testing that matters happened somewhere else if it happened at all, and the certificate is one the buyer cannot trace.

Every batch is confirmed by mass spectrometry, measured at ≥99% purity by HPLC and screened at 0 ppm heavy metals, and the batch number printed on the vial resolves to that batch's own certificate. Supplied for in-vitro and laboratory research only, to buyers aged 18 and over.

Semaglutide strengths compared

We make Semaglutide in two strengths: 10MG at $130 ($13.00 per mg), 20MG at $170 ($8.50 per mg).

Each strength has its own page, its own batch and its own price per milligram. Larger vials are usually better value per milligram, which is why the arithmetic is on every page rather than left to the reader.

What is Semaglutide?

Semaglutide is a GLP-1 (glucagon-like peptide-1) receptor agonist that has been extensively studied in appetite and weight management research.

At OzPeptides, Semaglutide is synthesised and tested in our own Australian lab and sold strictly for research and laboratory use.

Why Australian-made Semaglutide matters

Much of the peptide stock sold in Australia is made overseas and relabelled. Every OzPeptides batch is made here and tested in-house: ≥99% HPLC purity, identity confirmed by mass spectrometry and 0 ppm heavy metals, with a batch-matched certificate of analysis.

Strengths and formats

Semaglutide is available in 10MG, 20MG. Each strength has its own page. Peptides are available as a vial, pre-mixed or in a pen cartridge; mixing is free, or $5 a vial while a sale is running.

How quality is verified

Every batch is tested in-house before release. Purity is measured by HPLC and must be at least 99%. Identity is confirmed by mass spectrometry so the compound matches the label. Every batch is screened for lead, mercury, arsenic and cadmium, with results of 0 ppm. The batch number on your vial links to its certificate of analysis.

Formats explained

The standard vial contains lyophilised (freeze-dried) powder and is the base price. Pre-mixed is prepared in our lab for convenience, and the cartridge is made for our reusable metal pen; both are free, or $5 a vial while a sale is running.

Delivery

Orders confirmed before 1PM AEST ship the same day. Sydney orders are hand-delivered by our team; everywhere else receives tracked express post for $15 (free on orders of $200 or more), in plain packaging.

Research use only

Semaglutide is sold strictly for in-vitro research and laboratory use, to buyers aged 18 and over. It is not for human consumption and is not approved for therapeutic use in Australia.

Educational summary of published research. Not medical advice. OzPeptides products are for research and laboratory use only, not for human consumption. 18+.

Related compounds

View all Weight loss & metabolic →
Retatrutide 5MG$80
Tirzepatide 10MG$140
Cagrilintide 10MG$150
MOTS-c 10MG$80
For research & laboratory use only. Not for human consumption. Not approved for therapeutic use. Must be 18+ to purchase.Rewards & the app© 2026 OzPeptides
Semaglutide 20MG1 × 20MG vial
$170✆ Order on WhatsApp →
Made in Australia ✦Sydney: hand-delivered ✦Buy 3 get 1 free ✦Same-day dispatch before 1PM AEST ✦750+ orders shipped ✦
Made in Australia ✦Sydney: hand-delivered ✦Buy 3 get 1 free ✦Same-day dispatch before 1PM AEST ✦750+ orders shipped ✦
ozpeptides.← Weight loss & metabolic
🇦🇺 MADE IN AUSTRALIA
Weight loss & metabolic · Popular

Semaglutide 20MG

GLP-1 receptor agonist
★★★★★4.8● In stock
$170$170 per vialEarn 2,550 points
Strength
10MG$13020MG$170
Format
Quantity3 MORE FOR A FREE VIAL
1
✆Order on WhatsApp1 × 20MG vial→
SYDNEYHand-delivered by our team
AUSTRALIA-WIDETracked express post
Ships next business day
≥99%HPLC PURITY
0 ppmHEAVY METALS
AUSMADE HERE
Why Semaglutide

The GLP-1 benchmark.

Semaglutide is a GLP-1 (glucagon-like peptide-1) receptor agonist that has been extensively studied in appetite and weight management research.

GLP-1 RECEPTOROZPEPTIDESSEMAGLUTIDE20MG
✓
Single-receptor precisionA selective GLP-1 receptor agonist.
✓
Extensively studiedThe reference compound for GLP-1 metabolic research.
2
Two strengths10MG and 20MG, as vial, pre-mixed or cartridge.
Reviews

Researchers reorder.

4.8★★★★★
“Been ordering from OzPeptides for nearly a year now and honestly the service just keeps getting better. The guys are super responsive whenever I have a question and the orders always show up fast. Couldn't recommend them more highly.
✓
Verified customerOzPeptides · ✓ Verified
★★★★★Arrived next day, perfect packaging
“Ordered in the morning and had it on my doorstep the following day — couldn't believe how quick it was. Packaged really well, nothing damaged, and everything was exactly as described. Will definitely be ordering again soon.”Verified customer · OzPeptides · ✓ Verified
★★★★★Best in Australia, no question
“I've tried a few different suppliers here and OzPeptides is just on another level. The quality is consistently great and the team is actually helpful when you reach out. Once you order from here it's hard to go back anywhere else.”Verified customer · OzPeptides · ✓ Verified
★★★★★Consistent quality every time
“Been ordering here for months and the consistency is what really impresses me. Every single order has been exactly the same — quick dispatch, well packed, and the product is always spot on. That reliability means everything to me.”Verified customer · OzPeptides · ✓ Verified
★★★★★Customer service is top notch
“I had a question before placing my first order and someone got back to me really quickly with a proper answer, not just a copy-paste response. That kind of care carries through to the whole experience. Very happy customer here.”Verified customer · OzPeptides · ✓ Verified
★★★★★Great service, fast delivery
“Third order now and every single one has been smooth. Placed the order before lunch and had tracking by that afternoon. The packaging is neat and discreet which I really appreciate. Five stars all the way.”Verified customer · OzPeptides · ✓ Verified
★★★★★My go-to, won't shop anywhere else
“I've been a regular customer for a while now and there's just no reason to go anywhere else. Consistent quality, fast postage, and the team is genuinely friendly. Already got my next order ready to go.”Verified customer · OzPeptides · ✓ Verified
Delivery
SYDNEYHand-delivered to your doorOur own team delivers Sydney orders personally.
EVERYWHERE ELSETracked express, same-day dispatchConfirmed before 1PM AEST ships today. Free, in plain packaging.
Quality · every batch

Tested here. Proven on paper.

0 ppmWhat does 0 ppm mean?ppm means "parts per million". 0 ppm means our lab found no lead, mercury, arsenic or cadmium in the batch.
OZPEPTIDESIMPORT
MadeAustraliaOverseas
Heavy metalsNone detectedRarely tested
CertificateBatch-matchedGeneric
DeliveryHand / express2–4 weeks
CERTIFICATE OF ANALYSISSemaglutide · 20MGBatch SEM-020-2609
PASS
Purity (HPLC)99.4% ✓
Identity (MS)Conforms ✓
Lead (Pb)0 ppm ✓
Mercury (Hg)0 ppm ✓
Arsenic (As)0 ppm ✓
Cadmium (Cd)0 ppm ✓
Description

Semaglutide 20MG

Semaglutide is a GLP-1 (glucagon-like peptide-1) receptor agonist that has been extensively studied in appetite and weight management research.

✓Purity: ≥99% by HPLC
✓Identity: confirmed by mass spectrometry
✓Heavy metals: 0 ppm (none detected)
✓Made in Australia · tested every batch
✓Research use only
CompoundSemaglutide
Strength20MG
FormatVial
Molecular weight4113.6 Da
Purity≥99% (HPLC)
IdentityMass spec confirmed
Heavy metals0 ppm · none detected
OriginMade in Australia
SKUSEMAGLUTIDE-20MG
UseResearch use only
FAQ · 6 questions

Questions, answered.

Semaglutide 20MG is $170 from OzPeptides, which is $8.50 per mg. It is made and tested in our own Australian lab.

✆ Ask the lab on WhatsApp
Research guide · 1 MIN READ

Semaglutide: the complete guide

By the OzPeptides lab team · 280 words

Why Semaglutide 20MG specifically

Semaglutide 20MG is the largest of our two Semaglutide strengths: a 20mg vial of lyophilised powder at $170, or $8.50 per mg. GLP-1 appetite & weight management research, synthesised and tested in our own Australian lab. It is also the best value per milligram in the range.

What is in a 20MG vial

A Semaglutide 20MG vial contains 20mg — 20,000 micrograms — of lyophilised powder.

Reconstituted with 1ML of bacteriostatic water it gives 20mg/ML, so a 0.1ML draw holds 2mg. With 2ML that becomes 10mg/ML and 1mg per 0.1ML; with 3ML, 6.67mg/ML and 666.7mcg. The powder is the same either way — the volume only changes the concentration.

Bacteriostatic water is sold separately. Pre-mixed vials and pen cartridges arrive reconstituted, so this arithmetic only applies to the plain vial.

Educational summary of published research. Not medical advice. Research use only, 18+.

Related

View all →
Retatrutide 5MG$80
Tirzepatide 10MG$140
Cagrilintide 10MG$150
MOTS-c 10MG$80
ozpeptides.For research & laboratory use only. Not for human consumption. Not approved for therapeutic use. Must be 18+ to purchase.Rewards & the app© 2026 OzPeptides · Made in Australia
Semaglutide 20MG$170
✆ Order