Coastra Research
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Research Peptides
& SARMs

Premium research-grade peptides, SARMs, BAC water, and supplies — with a built-in reconstitution calculator.

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Reconstitution Calc
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Research Grade

≥99% purity, lab tested

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Discreet Packaging

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Cold-Chain Shipping

Lyophilized, stable transit

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Free Calculator

Built-in reconstitution tool

Browse by Category

All products sold for research purposes only.

Research Peptides
Weight loss, muscle growth, healing, brain, aesthetics & hair.
13 Peptides
→
Peptide Stacks
Pre-matched research combinations for every goal.
6 Stacks
→
SARMs
RAD-140, LGD-4033, Ostarine, Cardarine, S23, MK-677, Trenbolone.
7 SARMs
→
SARMs Stacks
Lean Mass, Bulking, Cutting, and Recomp combinations.
4 Stacks
→

How It Works

1

Browse & Order

Select your peptides, SARMs, or supplies. All for research use only.

2

Fast Dispatch

Ships within 48h in plain, discreet packaging.

3

Reconstitute

Use our free calculator for exact BAC water volumes and draw amounts.

4

Research

Lyophilized for stability. Store reconstituted peptides at 2–8°C.

Home/Peptides/Weight Loss

Weight Loss & Fat Loss

GLP-1 and GHRH research compounds studied for appetite regulation, metabolic weight control, and fat loss pathways.

⚠️
For Research Use Only

Not FDA-approved for human administration. For qualified researchers only.

SemaglutidePopular
Weight Loss · GLP-1 Agonist
Semaglutide
GLP-1 receptor agonist studied for appetite suppression and metabolic weight regulation. 2mg vial.
★★★★★
$59.99
RetatrutideTop Rated
Weight Loss · Triple Agonist
Retatrutide
Triple GIP/GLP-1/Glucagon receptor agonist. Most advanced metabolic research compound. 2mg vial.
★★★★★
$79.99
TesamorelinResearch Only
Weight Loss · GHRH Analog
Tesamorelin
GHRH analog studied for visceral fat reduction and GH-IGF-1 axis stimulation. 2mg vial.
★★★★★
$74.99
Thank You Gift FREE
Free · Test Order
Thank You Gift
A free thank-you item to test the full checkout, payment, and email confirmation flow. No charge at checkout.
★★★★★
FREE

Looking for a combination? View the Weight Loss Stack →

All compounds sold for research purposes only. Not for human use. Not FDA-approved. Must be 18+.

Home/Peptides/Muscle Growth

Muscle Growth & GH Optimization

GHRH analogs and GH secretagogues studied for growth hormone axis activation and body composition.

⚠️
For Research Use Only

Not for human administration. For qualified researchers only.

CJC-1295Popular
Muscle Growth · GHRH Analog
CJC-1295
Long-acting GHRH analog studied for sustained GH pulse amplification, lean body composition, and sleep quality. 2mg vial.
★★★★★
$69.99
IpamorelinPopular
Muscle Growth · GH Secretagogue
Ipamorelin
Selective GH secretagogue with minimal cortisol and prolactin impact. Studied for GH release and lean mass. 2mg vial.
★★★★★
$64.99

CJC-1295 + Ipamorelin is the most studied GHRH/GHRP combination. View the Muscle Stack →

All compounds sold for research purposes only. Not for human use. Not FDA-approved. Must be 18+.

Home/Peptides/Healing

Healing & Recovery

Compounds studied for tissue repair, tendon healing, gut restoration, and anti-inflammatory pathways.

⚠️
For Research Use Only

Not for human administration. For qualified researchers only.

BPC-157Popular
Healing · Body Protection Compound
BPC-157
Studied for tissue repair, gut healing, tendon regeneration, and anti-inflammatory pathways. 5mg vial.
★★★★★
$59.99
TB-500Popular
Healing · Thymosin Beta-4 Fragment
TB-500
Studied for systemic tissue repair, inflammation reduction, and increased cell migration. 5mg vial.
★★★★★
$64.99

BPC-157 + TB-500 is the most widely used healing combination. View the Recovery Stack →

All compounds sold for research purposes only. Not for human use. Not FDA-approved. Must be 18+.

Home/Peptides/Brain

Brain & Nootropic

Peptides studied for cognitive enhancement, anxiety reduction, neuroprotection, and BDNF modulation.

⚠️
For Research Use Only

Not for human administration. For qualified researchers only.

SemaxPopular
Brain · Nootropic
Semax
ACTH-derived heptapeptide studied for BDNF upregulation, neuroprotection, and cognitive enhancement. 5mg vial.
★★★★★
$54.99
SelankPopular
Brain · Anxiolytic
Selank
Anxiolytic peptide studied for anxiety reduction, cognitive enhancement, and immune-modulating properties. 5mg vial.
★★★★★
$54.99

Semax + Selank is the classic nootropic/anxiolytic stack. View the Brain Stack →

All compounds sold for research purposes only. Not for human use. Not FDA-approved. Must be 18+.

Home/Peptides/Aesthetics

Aesthetics

Compounds studied for collagen synthesis, melanogenesis, and aesthetic research pathways.

⚠️
For Research Use Only

Not for human administration. For qualified researchers only.

GHK-CuResearch Only
Aesthetics · Collagen & Repair
GHK-Cu
Copper-binding tripeptide studied for collagen synthesis, wound healing, and antioxidant gene expression. 50mg vial.
★★★★★
$54.99
Melanotan IIResearch Only
Aesthetics · Melanogenesis
Melanotan II
Melanocortin receptor agonist studied for melanogenesis and related pigmentation pathways. 10mg vial.
★★★★☆
$59.99

All compounds sold for research purposes only. Not for human use. Not FDA-approved. Must be 18+.

Home/Peptides/Hair Loss

Hair Loss

Compounds studied for androgenic alopecia and hair follicle biology mechanisms.

⚠️
For Research Use Only

Not for human administration. For qualified researchers only.

Minoxidil 5%Hair Loss
Hair Loss · Vasodilator
Minoxidil 5%
Potassium channel opener studied for scalp vasodilation, follicle stimulation, and anti-alopecia mechanisms. 60mL.
★★★★★
$44.99
DutasterideHair Loss
Hair Loss · 5α-Reductase Inhibitor
Dutasteride
Dual 5α-reductase inhibitor (Type I & II) studied for DHT suppression and androgenic alopecia mechanisms.
★★★★★
$64.99

All compounds sold for research purposes only. Not for human use. Not FDA-approved. Must be 18+.

Home/All Peptides

All Research Peptides

Complete catalog — for research use only.

⚠️
For Research Use Only

All peptides are not FDA-approved for human use. Qualified researchers only.

Category
SemaglutidePopular
Weight Loss
Semaglutide
GLP-1 agonist. Appetite & weight regulation research. 2mg.
$59.99
RetatrutideTop Rated
Weight Loss
Retatrutide
Triple GIP/GLP-1/Glucagon agonist. 2mg.
$79.99
Tesamorelin
Weight Loss
Tesamorelin
GHRH analog, visceral fat research. 2mg.
$74.99
CJC-1295Popular
Muscle Growth
CJC-1295
GHRH analog, GH amplification. 2mg.
$69.99
IpamorelinPopular
Muscle Growth
Ipamorelin
GH secretagogue. 2mg.
$64.99
BPC-157Popular
Healing & Recovery
BPC-157
Tissue repair & gut healing. 5mg.
$59.99
TB-500Popular
Healing & Recovery
TB-500
Systemic tissue repair. 5mg.
$64.99
SemaxPopular
Brain & Nootropic
Semax
BDNF & cognitive research. 5mg.
$54.99
SelankPopular
Brain & Nootropic
Selank
Anxiolytic peptide. 5mg.
$54.99
GHK-Cu
Aesthetics
GHK-Cu
Collagen & repair copper peptide. 50mg.
$54.99
Melanotan II
Aesthetics
Melanotan II
Melanogenesis research. 10mg.
$59.99
MinoxidilHair Loss
Hair Loss
Minoxidil 5%
Vasodilatory hair research. 60mL.
$44.99
DutasterideHair Loss
Hair Loss
Dutasteride
DHT inhibition research.
$64.99

All peptides sold for research purposes only. Not for human use. Not FDA-approved. Must be 18+.

Home/Peptide Stacks

Peptide Stacks

Pre-assembled research kits. Each compound is a separate vial. For research use only.

⚠️
For Research Use Only

All stacks contain separate individual vials. For qualified researchers only.

Weight Loss Stack
Weight Loss Stack
Semaglutide + Tesamorelin
GLP-1 receptor agonist combined with GHRH analog for complementary metabolic and fat-loss pathway research.
Semaglutide 2mgTesamorelin 2mg
$134.98 $109.99
Tesamorelin Advanced WL
Advanced Weight Loss
Tesamorelin
GHRH analog studied specifically for visceral fat reduction — a targeted fat-loss peptide protocol.
Tesamorelin 2mg
$74.99
Muscle Growth Stack
Muscle Growth Stack
CJC-1295 + Ipamorelin
Classic GHRH + GHRP combination. Most studied GH axis protocol for body composition research.
CJC-1295 2mgIpamorelin 2mg
$134.98 $104.99
Recovery Stack
Recovery Stack
BPC-157 + TB-500
Body protection compound + Thymosin Beta-4 for comprehensive tissue repair and anti-inflammatory research.
BPC-157 5mgTB-500 5mg
$124.98 $99.99
Brain Stack
Brain Stack
Semax + Selank
BDNF upregulation + anxiolytic pathway research. Classic cognitive + mood combination.
Semax 5mgSelank 5mg
$109.98 $84.99
Hair Loss Stack
Hair Loss Stack
Minoxidil 5% + Dutasteride
Vasodilation + DHT inhibition — dual-mechanism hair loss research protocol.
Minoxidil 5% 60mLDutasteride
$109.98 $89.99
SARMs Stacks
Pre-matched SARM combinations. Separate vials in each kit.
Lean Mass Stack
Lean Mass Stack
RAD-140 + MK-677
Anabolic SARM + GH secretagogue for lean mass and GH axis research protocols.
RAD-140 30mLMK-677 30mL
$134.98 $109.99
Bulking Stack
Bulking Stack
RAD-140 + LGD-4033
Two potent SARMs for muscle tissue and anabolic selectivity research.
RAD-140 30mLLGD-4033 30mL
$134.98 $109.99
Cutting Stack
Cutting Stack
Ostarine + Cardarine
Lean mass preservation + fat oxidation. Most studied cutting protocol.
Ostarine 30mLCardarine 30mL
$114.98 $89.99
Recomp Stack
Recomp Stack
RAD-140 + Cardarine
Anabolic + endurance/fat-loss combination for body recomposition research.
RAD-140 30mLCardarine 30mL
$129.98 $104.99

All stack kits contain separate individual vials. For research use only. Not for human use. Not FDA-approved. Must be 18+.

Home/SARMs

SARMs — Research Compounds

Selective Androgen Receptor Modulators and related compounds. For laboratory research only.

⚠️
For Research Use Only — Not for Human Administration

SARMs are not approved for human use by any regulatory body. For in-vitro and laboratory research only.

Category
RAD-140SARM
Muscle Growth / Bulking
RAD-140 — Testolone
Highly potent SARM studied for anabolic muscle tissue selectivity and lean mass research. 10mg/mL · 30mL.
★★★★★
$69.99
LGD-4033SARM
Muscle Growth / Bulking
LGD-4033 — Ligandrol
Extensively studied SARM for muscle tissue binding and lean mass research. 10mg/mL · 30mL.
★★★★★
$64.99
CardarineSARM
Cutting / Fat Loss
Cardarine — GW-501516
PPARδ agonist studied for fatty acid oxidation and endurance pathways. 10mg/mL · 30mL.
★★★★★
$59.99
OstarinePopular
Lean Muscle / Recomp
Ostarine — MK-2866
Entry-level SARM with extensive data for lean mass preservation and body recomposition. 10mg/mL · 30mL.
★★★★★
$54.99
S23SARM
Strength
S23
High-affinity SARM studied for muscle hardness, fat oxidation, and anabolic selectivity. 10mg/mL · 30mL.
★★★★☆
$74.99
MK-677Popular
Growth Hormone Support
MK-677 — Ibutamoren
Orally active GH secretagogue studied for IGF-1 elevation, sleep quality, and lean mass. 25mg/mL · 30mL.
★★★★★
$64.99
TrenboloneNon-SARM
Hardcore Anabolic
Trenbolone
Synthetic anabolic androgenic compound studied for muscle tissue anabolic effects and AR binding. Research grade.
★★★★☆
$89.99

Looking for combinations? Browse SARMs Stacks →

All SARMs sold for research purposes only. Not FDA-approved. Not for human use. Must be 18+.

Home/SARMs/Stacks

SARMs Stacks

Pre-matched SARM combinations for specific research goals. Separate vials in each kit.

⚠️
For Research Use Only

All stacks contain separate individual vials. For qualified researchers only. Not for human use.

Lean Mass Stack
Lean Mass Stack
RAD-140 + MK-677
Anabolic SARM + GH secretagogue for lean mass and GH axis research protocols.
RAD-140 30mLMK-677 30mL
$134.98 $109.99
Bulking Stack
Bulking Stack
RAD-140 + LGD-4033
Two potent SARMs for muscle tissue and anabolic selectivity research.
RAD-140 30mLLGD-4033 30mL
$134.98 $109.99
Cutting Stack
Cutting Stack
Ostarine + Cardarine
Lean mass preservation + fat oxidation. Most studied cutting protocol.
Ostarine 30mLCardarine 30mL
$114.98 $89.99
Recomp Stack
Recomp Stack
RAD-140 + Cardarine
Anabolic + endurance/fat-loss combination for body recomposition research.
RAD-140 30mLCardarine 30mL
$129.98 $104.99

All stacks for research use only. Not FDA-approved. Not for human use. Must be 18+.

Home/BAC Water

Bacteriostatic Water

Pharmaceutical-grade BAC water for peptide reconstitution. 0.9% benzyl alcohol preserved.

BAC Water 10mL
BAC Water — 10mL
0.9% benzyl alcohol, sterile multi-dose. Ideal for most peptide vials. USP-grade.
$12.99
BAC Water 30mL
BAC Water — 30mL
Large multi-dose vial. Best for multiple concurrent protocols.
$24.99
BAC Water 3-Pack
BAC Water — 3-Pack (10mL)
Three 10mL vials. Ideal when starting multiple peptides simultaneously.
$38.97 $32.99

Use the Reconstitution Calculator → to find exact BAC water volumes for any peptide.

Home/Supplies

Needles & Reconstitution Supplies

Everything needed for peptide reconstitution protocols.

29g Syringes
Insulin Syringes — 29g × 1cc
Ultra-fine 29-gauge, 0.5" needle. 1mL with 0.01mL gradations. Box of 100.
$18.99 /100ct
31g Syringes
Insulin Syringes — 31g × 1cc
Extra-fine 31-gauge. Minimal discomfort, ideal for subcutaneous application. Box of 100.
$19.99 /100ct
18g Needles
Reconstitution Needles — 18g
18-gauge draw needles for pulling BAC water. 25ct.
$8.99 /25ct
Alcohol Pads
Alcohol Prep Pads
70% isopropyl alcohol pads for vial and skin prep. 200ct.
$6.99 /200ct
Starter Kit
Reconstitution Starter Kit
10mL BAC water · 100× 29g syringes · 25× 18g needles · 50× prep pads.
$52.96 $39.99
Home/Calculator

Peptide Reconstitution Calculator

Calculate exact BAC water volume and draw amount for any peptide dose.

Reconstitution Calculator

Typical: 1–2mL per 5mg vial
Concentration after reconstitution—
Draw volume per dose—
Units to draw (100u syringe)—
Doses per vial—

How to reconstitute: Draw BAC water with an 18g needle. Insert at angle into rubber stopper. Let water run slowly down the glass wall — never inject directly onto the powder. Swirl gently, never shake. Refrigerate at 2–8°C.

Standard Reference Table

PeptideVialBAC WaterConc.
Semaglutide2mg2mL1,000mcg/mL
Retatrutide2mg2mL1,000mcg/mL
Tesamorelin2mg2mL1,000mcg/mL
CJC-12952mg2mL1,000mcg/mL
Ipamorelin2mg2mL1,000mcg/mL
BPC-1575mg2mL2,500mcg/mL
TB-5005mg2mL2,500mcg/mL
Semax5mg2mL2,500mcg/mL
Selank5mg2mL2,500mcg/mL
Melanotan II10mg2mL5,000mcg/mL
GHK-Cu50mg5mL10,000mcg/mL

Units → Volume Reference

Units (100u)Volume (mL)Volume (μL)
5u0.05mL50μL
10u0.10mL100μL
20u0.20mL200μL
25u0.25mL250μL
30u0.30mL300μL
50u0.50mL500μL
Home/Checkout

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