Why is MK-677 associated with muscle and recovery research?

Human studies have shown that MK-677 can increase pulsatile GH secretion, circulating IGF-1 and fat-free mass under specific study conditions. Together with the sleep-architecture research, these findings explain its body-composition and recovery-focused performance profile.

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MK-677 Ibutamoren dropper bottle by SARMs Army

Third-party Certificate of Analysis for MK-677 Ibutamoren

MK-677 Canada: Ibutamoren for Sale

Name: MK-677 Canada: Ibutamoren for Sale
Brand: SARMs Army
SKU: MK-677-30ml-Ibutamoren-0-05584-17600-4
Price: 99.99 CAD
Availability: InStock
Rating: 2.86 (98 reviews)

Rated 2.86 out of 5 based on 76 customer ratings

(98 customer reviews)

$99.99

MK-677 (Ibutamoren) by SARMs Army, in a 30 mL dropper bottle at 20 mg/mL — 600 mg per bottle. Available for online ordering in Canada. MK-677 is a ghrelin-receptor research compound; it is not a SARM.

Read the MZ BioLabs laboratory report for lot 2023-11-08, analyzed November 16, 2023. The reported 99.08% purity applies to the identified sample and is separate from bottle concentration.

Promo	Range	Discount
40% OFF	3 +	40% $59.99

Buy MK-677 Online in Canada

SARMs Army offers MK-677 (Ibutamoren) in a 30 mL dropper bottle at 20 mg/mL, equivalent to 600 mg per bottle, for online ordering in Canada. MK-677 is a ghrelin-receptor research compound, also identified as MK-0677. Review the product identity and dated MZ BioLabs laboratory report below, followed by the research references and ordering details.

MK-677 Product and Quality Information

Format	30 mL dropper bottle
Concentration	20 mg/mL
Total compound per bottle	600 mg (20 mg/mL × 30 mL)
Brand	SARMs Army
Primary product name	MK-677
Alternative names	Ibutamoren and MK-0677
Compound class	Non-peptide ghrelin-receptor agonist and growth hormone secretagogue
Primary receptor	Growth hormone secretagogue receptor (GHSR)
Laboratory report	MZ BioLabs certificate for lot 2023-11-08
Reported analytical result	99.08% purity for the sample analyzed
Analysis method	Mass spectrometry and UV detection

Third-Party MK-677 Laboratory Report

The available MZ BioLabs certificate identifies MK-677, lot 2023-11-08, and reports 99.08% purity for the sample analyzed on November 16, 2023. Identity was evaluated by mass spectrum and purity by UV detection. The lot number and analysis date remain visible so buyers can see exactly which sample produced the stated result.

View the MK-677 third-party laboratory report

The certificate documents the sample and lot identified in the report. Compare the lot number on your bottle with lot 2023-11-08 and contact SARMs Army if they differ. The reported purity percentage is separate from the bottle concentration in mg/mL.

What Is MK-677 (Ibutamoren)?

MK-677 and Ibutamoren are two names for the same research compound. It is also identified in scientific literature as MK-0677. Although it is commonly grouped with SARMs in performance catalogues, MK-677 is not a selective androgen receptor modulator. It is a non-peptide agonist of the growth hormone secretagogue receptor, also known as the ghrelin receptor or GHSR.

A 2021 structural study of the human ghrelin receptor shows how Ibutamoren binds to and activates GHSR. This mechanism distinguishes it from compounds that act directly on androgen receptors and explains why its principal research themes involve the GH–IGF-1 axis, appetite, body composition and sleep.

Why MK-677 Is Studied for GH and IGF-1 Signalling

Controlled human studies have examined MK-677’s effects on GH and IGF-1. A randomized clinical trial in healthy older adults found that daily oral MK-677 enhanced the existing pulsatile pattern of GH secretion and increased serum IGF-1. A longer randomized study likewise reported sustained increases in GH and IGF-1, along with an increase in fat-free mass compared with placebo.

These studies measured endocrine and body-composition outcomes under defined conditions. Changes in these measures do not by themselves establish improved strength, athletic performance or recovery.

MK-677, Body Composition and Performance Research

The GH–IGF-1 axis is closely connected to tissue turnover and body composition, which is why MK-677 is widely discussed in performance-focused research. In a 12-month placebo-controlled trial involving adults aged 60 to 81, mean fat-free mass increased by 1.1 kg in the MK-677 group while it decreased by 0.5 kg in the placebo group.

In that study, the increase in fat-free mass did not produce an improvement in strength or physical function. The trial also reported reduced insulin sensitivity. Its findings should not be presented as proof of athletic performance or recovery benefits.

MK-677 and Sleep Architecture Research

Sleep is another research area associated with Ibutamoren. In a small double-blind controlled study of sleep architecture, seven days of MK-677 in healthy young adults increased stage IV and REM sleep compared with placebo. The older-adult portion of the study also reported an increase in REM sleep and a shorter REM latency under the tested conditions.

These controlled findings provide a specific human evidence base for including sleep architecture in MK-677’s research profile. The study was small, so the result is best understood as a positive sleep-architecture signal.

How Ibutamoren Works: The Ghrelin Receptor and Pulsatile GH

Ibutamoren activates the ghrelin receptor, a signalling receptor involved in appetite and growth hormone release. Instead of supplying growth hormone directly, MK-677 enhances the body’s existing pulsatile GH secretion. Human trials have measured the resulting rise in circulating GH and IGF-1.

This mechanism supports four closely connected research themes:

pulsatile growth hormone secretion;
IGF-1 signalling;
fat-free mass and body-composition research;
appetite and sleep-architecture research.

Ordering MK-677 in Canada

Payment: Interac e-Transfer is accepted.
Canadian delivery: the timeframe listed in our ordering FAQ is 2–5 business days.
Price and quantity: review the current price and volume discounts beside the quantity selector before checkout.
Product questions: contact SARMs Army for help with the listing or the laboratory report for a particular lot.

MK-677 FAQ

What concentration and bottle size does SARMs Army MK-677 have?

This MK-677 product contains 20 mg/mL in a 30 mL dropper bottle, for 600 mg in the full bottle. The mg/mL figure describes concentration, while 600 mg describes the total amount.

Is MK-677 the same as Ibutamoren?

Yes. MK-677 is the best-known research identifier, while Ibutamoren is the compound name. Scientific publications may also use MK-0677.

Is MK-677 a SARM?

No. MK-677 is often sold alongside SARMs, but it does not act as a selective androgen receptor modulator. It is a ghrelin-receptor agonist and growth hormone secretagogue.

Does an increase in fat-free mass mean improved strength?

No. In the cited trial in adults aged 60–81, MK-677 increased fat-free mass but did not improve strength or physical function. These are different outcomes, and the study does not establish athletic recovery benefits.

Does research connect MK-677 with sleep?

Yes. A small controlled human study reported increases in stage IV and REM sleep after MK-677 treatment, providing a positive research signal for sleep architecture.

Can I buy MK-677 online in Canada?

Yes. This page provides online ordering for MK-677 in Canada. Select the quantity above and use the add-to-cart button to continue to checkout.

What does the 99.08% laboratory result mean?

The certificate reports 99.08% purity for the specific MK-677 sample analyzed by MZ BioLabs in November 2023. It is a result for the identified lot and analysis date, not a statement about every future lot or the product’s concentration.

Compare Related Performance Research

MK-677’s ghrelin-receptor pathway differs from the selective androgen-receptor research presented on the Ostarine / MK-2866 product page. For a distinct endurance and circadian-metabolism profile, explore SR9009 / Stenabolic, or browse the complete SARMs Army product collection.

Return to the purchase section above to buy MK-677 online in Canada.