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№ 060

Octreotide (Sandostatin)

A drug that shuts down the body's overproduction of growth hormone, used for conditions like acromegaly. A synthetic somatostatin analog, FDA-approved in 1988 for acromegaly, carcinoid syndrome, and VIPomas; it suppresses GH and IGF-1, the mechanistic opposite of Tesamorelin.

GH-axis
Evidence: Strong

Octreotide (Sandostatin): A drug that shuts down the body's overproduction of growth hormone, used for conditions like acromegaly. A synthetic somatostatin analog, FDA-approved in 1988 for acromegaly, carcinoid syndrome, and VIPomas; it suppresses GH and IGF-1, the mechanistic opposite of Tesamorelin. Octreotide is a synthetic copy of somatostatin, the hormone your body uses to *suppress* growth hormone.

FDA ⓘ
Approved
WADA
Not banned
Typical dose
IR: 50-200 mcg sub-q TID
Half-life ⓘ
~1.7 hours (immediate-release); LAR depot dosed every 4 weeks
Route ⓘ
Subcutaneous (IR) or intramuscular (LAR)
Schedule
TID for IR; once monthly for LAR
In plain English

Octreotide is a synthetic copy of somatostatin, the hormone your body uses to *suppress* growth hormone. It's the opposite of Tesamorelin. Used clinically for acromegaly (too much GH disease), carcinoid tumors, and certain neuroendocrine cancers. FDA-approved since 1988.

Status & legalityWhat do these mean? →
Natty? ⓘ
Considered natty

Suppresses GH/IGF-1 rather than enhancing performance. Federations don't address GH-suppressors.

FDA ⓘ
Approved

Approved as Sandostatin (1988) for acromegaly, carcinoid syndrome, and VIPomas. Available in immediate-release sub-q and long-acting (LAR) IM depot.

Compounding ⓘ
Approved drug

FDA-approved drug products containing this substance are available. Compounded versions are not FDA-approved.

WADA ⓘ
Not listed
Prescribed ⓘ

Yes, endocrinology and oncology providers prescribe for the approved indications.

Who it's for

  • →Acromegaly patients under endocrine care
  • →Carcinoid / neuroendocrine tumor patients
  • →Educational reference for somatostatin pathway

What to expect

  1. Week 1

    Acromegaly users: GH and IGF-1 markers begin dropping. Carcinoid users: flushing and diarrhea reduce.

  2. Week 4

    Hormone normalization in responders.

  3. Week 8

    Steady-state effect on tumor secretion in NET patients.

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How it works (mechanism)

Synthetic analog of somatostatin. Binds somatostatin receptors (SSTR2, SSTR5 mainly) on pituitary somatotrophs to *suppress* GH release, the opposite of GHRH analogs. Also suppresses gut hormones, used in carcinoid and VIPoma management.

Dosing protocol

Members only

Stacks well with

Members only

Side effects

01GI (diarrhea, abdominal cramping, steatorrhea)
02Gallstones with chronic use
03Hyperglycemia (suppresses insulin)
04Bradycardia
05Vitamin B12 deficiency long term

When NOT to use

  • ⚠Hypersensitivity to octreotide
  • ⚠Severe gallbladder disease
  • ⚠Pregnancy / nursing (limited data)

Bloodwork to monitor

  • • IGF-1 (target of therapy)
  • • Fasting glucose
  • • Vitamin B12 yearly
  • • Gallbladder ultrasound periodically

Common mistakes

  • • Treating it as a body-comp peptide (it's a hormone suppressor for medical indications)
  • • Skipping the gallbladder monitoring on long term use
  • • Not anticipating the hyperglycemic effect

What it actually is

Octreotide, sold as Sandostatin, is a synthetic version of somatostatin, the hormone that switches growth hormone off. FDA approved it in 1988 for acromegaly, carcinoid syndrome and VIPomas. It is in this section as the mechanistic opposite of everything else here: where tesamorelin and the secretagogues try to raise growth hormone, octreotide exists to suppress it. It is a serious medicine with a very large evidence base and it is not a body-composition compound.

Somatostatin is the brake on the growth hormone axis, and it also inhibits release of insulin, glucagon, and a range of gut hormones. Natural somatostatin lasts a couple of minutes; octreotide is engineered to last hours, or with the depot formulation, weeks. Suppressing growth hormone is the point in acromegaly, where a pituitary tumour produces too much. The breadth of what somatostatin inhibits is also why the side effects reach across the gut, gallbladder and glucose control.

Forms, and which is which

Immediate-release subcutaneousDose finding and acute control

Injected three times daily. Used to establish response before switching to the depot.

Verdict: The flexible form, and a heavy dosing schedule.

LAR depot, intramuscularLong-term maintenance

Given once every four weeks. The standard for ongoing treatment of acromegaly and carcinoid syndrome.

Verdict: The practical long-term form.

Lanreotide and other somatostatin analogsAlternatives in the same class

Different dosing intervals and administration routes, same mechanism.

Verdict: Same class, chosen on practicalities.

Off-label use to blunt GH-axis side effectsNothing defensible

Occasionally reached for to counter growth hormone excess from other compounds. Suppressing the axis broadly to fix a self-inflicted elevation adds gallbladder, glucose and gut risk on top.

Verdict: Treating one unwise intervention with a serious drug.

What it is claimed to do, graded

Controls growth hormone and IGF-1 excess in acromegalyStrong

The core approved indication, with 71 phase 3 and 538 indexed randomised-trial records. One of the strongest evidence bases in this catalog.

Controls carcinoid syndrome symptomsStrong

An approved indication, with substantial randomised evidence.

Manages malignant bowel obstruction and secretory diarrhoeaStrong

Well supported, including in palliative care.

Useful for body composition or performanceNone shown

It suppresses growth hormone. There is no version of this that helps body composition, and using it that way inverts what it does.

Grades describe how much human evidence exists for that specific claim, not whether it will work for you or whether it is safe.

Pros and cons

Pros
  • • An approved medicine since 1988 with an enormous randomised evidence base
  • • The depot form means monthly dosing for a chronic condition
  • • Genuinely disease-modifying in acromegaly and carcinoid syndrome
  • • Interactions, monitoring and contraindications are properly documented
Cons
  • • Gallstones are common with chronic use and need monitoring
  • • Raises blood glucose by suppressing insulin
  • • Gastrointestinal effects are frequent: diarrhoea, cramping, fatty stools
  • • Bradycardia and long-term vitamin B12 deficiency are recognised
  • • It suppresses growth hormone, which makes it the opposite of what most readers of this section are looking for

When to stop

  • • Right upper abdominal pain, especially after fatty meals — gallstones are the common chronic complication
  • • Blood glucose rising out of range
  • • Symptomatic bradycardia: dizziness, faintness, very slow pulse
  • • Severe or persistent diarrhoea or fatty stools

Interactions

Insulin and diabetes medicationCaution

Octreotide suppresses insulin and glucagon, so glucose control shifts in both directions and doses usually need revisiting.

GHRH analogs and GH secretagogues (tesamorelin, sermorelin, ipamorelin, CJC-1295)Avoid

Directly opposing mechanisms — one triggers exactly what the other blocks.

CiclosporinCaution

Octreotide can reduce ciclosporin absorption, which matters a great deal in transplant patients.

BromocriptineMonitor

Octreotide increases its availability. Both are used in acromegaly, so the combination is real.

Beta blockers and other bradycardic drugsMonitor

Additive slowing of heart rate.

Is this for you?

Probably worth reading further if
  • • People with acromegaly, carcinoid syndrome or a VIPoma, under specialist care
  • • Anyone reading this section to understand what the growth hormone brake actually is
Skip it if
  • • You are looking for a body-composition compound — this suppresses growth hormone
  • • You have severe gallbladder disease
  • • You have had a hypersensitivity reaction to octreotide
  • • You are pregnant or nursing

The one number

71 phase 3 and 538 indexed randomised-trial records, approved since 1988
Pepdex evidence index — counts are indexed PubMed records, not deduplicated trials; PubMed query for octreotide

Sources for the claims above

Drug & supplement interactions

  • ⚠Cyclosporine: octreotide reduces cyclosporine absorption, separate dosing
  • ⚠Insulin requirements may decrease (suppresses growth hormone counter-regulation)
  • ⚠Beta-blockers: additive bradycardia
  • ⚠Bromocriptine: reduces clearance, dose adjust
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Member answer
is 250mcg of bpc enough for a knee injury?
For a knee, is the standard working dose and a solid place to start. The trick with BPC is consistency, give it weeks, not days. , run it , and don't drop below , results tend to fall off under that line. If nothing's moved by week 3, that's when earns its place.
how much bac water for a 10mg reta vial?
is the standard play for a 10 mg reta vial. That gives you , clean unit math across the whole titration: on a 100-unit insulin syringe. Run instead if you want fewer, more concentrated shots. Most people titrate up over , and that mix keeps the numbers cleanest.
what should i track on bloodwork for tirzepatide?
Lipid panel, ALT/AST (liver enzymes), and an A1C, baseline before you start then every 3 months. If you've got metabolic-syndrome history, add fasting glucose and insulin so you can actually watch insulin sensitivity improve. You don't need a big hormone panel for a GLP-1.

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Frequently asked

What is Octreotide (Sandostatin)?+
Octreotide is a synthetic copy of somatostatin, the hormone your body uses to *suppress* growth hormone. It's the opposite of Tesamorelin. Used clinically for acromegaly (too much GH disease), carcinoid tumors, and certain neuroendocrine cancers. FDA-approved since 1988.
Is Octreotide (Sandostatin) FDA approved?+
Approved as Sandostatin (1988) for acromegaly, carcinoid syndrome, and VIPomas. Available in immediate-release sub-q and long-acting (LAR) IM depot.
Is Octreotide (Sandostatin) legal?+
Octreotide (Sandostatin) is FDA-approved and legal to obtain by prescription in the US. Yes, endocrinology and oncology providers prescribe for the approved indications.
Is Octreotide (Sandostatin) banned by WADA?+
Octreotide (Sandostatin) is not currently on the WADA prohibited list.
Are you still natty after taking Octreotide (Sandostatin)?+
Octreotide (Sandostatin) is generally considered natty-compatible. Suppresses GH/IGF-1 rather than enhancing performance. Federations don't address GH-suppressors.
Do doctors prescribe Octreotide (Sandostatin)?+
Yes, endocrinology and oncology providers prescribe for the approved indications.
What's the typical dose of Octreotide (Sandostatin)?+
Dosing depends on your goal, experience, and tolerance. The full Octreotide (Sandostatin) protocol (dose, frequency, and how to titrate) is in the members section on the entry page.
What are the side effects of Octreotide (Sandostatin)?+
Common side effects include: GI (diarrhea, abdominal cramping, steatorrhea); Gallstones with chronic use; Hyperglycemia (suppresses insulin); Bradycardia. Less common effects and full safety details are on the entry page.
How long until Octreotide (Sandostatin) starts working?+
Acromegaly users: GH and IGF-1 markers begin dropping. Carcinoid users: flushing and diarrhea reduce.
What can you stack with Octreotide (Sandostatin)?+
Octreotide (Sandostatin) is commonly combined with complementary compounds. The full stacking protocol (what to pair, dosing, and timing) is in the members section on the entry page.
Where do people get Octreotide (Sandostatin)?+
Pepdex does not sell, ship, or recommend suppliers. Octreotide (Sandostatin) is FDA-approved and dispensed through licensed pharmacies with a prescription; some telehealth clinics prescribe it. If you're vetting a source, /coa explains how to verify a Certificate of Analysis.

Common questions about Octreotide (Sandostatin)

Tracked alongside Octreotide (Sandostatin)

Same goal, different aisle — each graded on its own evidence in the Pepdex catalog.

MK-677 →
the oral secretagogue these peptides get compared to constantly
Creatine →
the strongest-evidence performance supplement in the catalog
Glycine →
sleep quality drives GH pulses; this is the benign first option
Melatonin →
same reason — the sleep window is the GH window

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№ 008
CJC-1295 (no DAC)

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