Are you searching for a comprehensive list of peptides to understand their potential benefits for health, fitness, and wellness? This ultimate guide dives deep into the world of peptides, providing a detailed list of peptides and what they do.

From muscle building to skin rejuvenation, we’ll cover key categories like the list of injectable peptides, list of peptides for bodybuilding, list of FDA approved peptides, list of anti-inflammatory peptides, list of peptides for skin, and list of peptides for weight loss.

We’ll list every peptide in alphabetical order, explaining their functions, potential uses, and supported by relevant research from NIH.gov for credibility.

Peptides are short chains of amino acids that act as signaling molecules in the body, influencing processes like hormone regulation, inflammation, and tissue repair. For those seeking peptide therapy in Texas, specialized peptides clinics in TX offer guided access to these compounds for wellness and research purposes.

While thousands exist, this article focuses on those commonly researched and available, emphasizing their roles in bodybuilding, weight management, skin health, and more. Always consult a healthcare professional before use, as peptides are for research purposes and not all are FDA-approved.

Always consult a healthcare professional before use, such as through peptide therapy in Dallas, TX, as peptides are for research purposes and not all are FDA-approved.

List of Injectable Peptides

Many peptides are administered via injection for better bioavailability. Common injectable peptides include BPC-157 for healing, CJC-1295 for growth hormone release, and Ipamorelin for muscle growth. These are popular in bodybuilding and recovery protocols, often used subcutaneously or intramuscularly.

List of Peptides for Bodybuilding

Bodybuilders often seek peptides to support muscle growth, recovery, and fat loss. Commonly researched options include GHRP peptides and IGF-1 analogs for growth signaling, plus fat-targeting fragments like AOD 9604. Results and safety profiles vary widely, so responsible research and medical guidance matter.

List of FDA Approved Peptides

While many peptides are research-only, some are FDA-approved for specific uses. GLP-1 analogs like Semaglutide are used clinically for metabolic health, but many popular “research peptides” are not approved for human use. Always verify regulatory status and consult a qualified healthcare professional.

List of Anti-Inflammatory Peptides

Peptides studied for anti-inflammatory or tissue-protective effects include BPC-157, ARA-290, TB-500, and KPV. These compounds are often discussed in the context of immune modulation, gut health, and tissue repair. Evidence quality varies by peptide and indication.

List of Peptides for Skin

Skin-focused peptides like GHK-Cu, Argireline (Acetyl Hexapeptide-3), Matrixyl, and SNAP-8 are commonly used in cosmetic formulations. They are generally marketed for supporting collagen appearance, hydration, and the look of fine lines. Outcomes depend on formulation, concentration, and consistent topical use.

List of Peptides for Weight Loss

Weight-focused peptides often target appetite pathways, metabolic signaling, or fat mobilization. Examples commonly discussed include AOD 9604, Fragment 176-191, and Adipotide (primarily in preclinical research). Any use carries significant uncertainty and should be approached cautiously.

The Ultimate List of Peptides and What They Do (Alphabetical Order)

Below is the ultimate list of peptides and what they do, covering those commonly researched and available from research institutions. Each entry includes a concise description of function, typical research context, and potential uses. Descriptions are kept consistent in length for easier reading.

ABP-7

ABP-7 is an actin-binding peptide studied for how it interacts with the cellular cytoskeleton. Researchers explore it for potential roles in cell movement and structural support, which may be relevant to wound healing models. It is primarily discussed in laboratory and regenerative research contexts.

ACE-031

ACE-031 is designed to bind targets in the myostatin pathway, which is involved in regulating muscle growth. By limiting myostatin signaling, it has been researched for muscle-wasting conditions and strength-related endpoints. Most discussion centers on controlled research settings rather than routine use.

Acetyl Hexapeptide-3 (Argireline)

Argireline is a synthetic cosmetic peptide commonly formulated in topical skincare. It is marketed for smoothing the appearance of expression lines by influencing signaling involved in muscle contraction at the skin surface. Results vary by product formulation and consistent application.

Adipotide (FTPP)

Adipotide is a peptidomimetic studied mainly in preclinical obesity models. It is designed to target blood supply to certain fat tissues, which may reduce adipose mass in animal research. Human safety and real-world outcomes are not well established.

AHK-Cu

AHK-Cu is a copper-binding peptide studied in cosmetic and hair-related applications. It is often associated with supporting skin appearance through collagen-related pathways and antioxidant activity. It is commonly used in topical formulations rather than systemic research.

AICAR

AICAR is a compound studied for activating AMPK, a key regulator of cellular energy balance. Researchers have explored it in metabolic and endurance-related contexts due to its effects on glucose uptake and fat oxidation. Its use is generally limited to laboratory research and controlled study settings.

AOD 9604

AOD 9604 is a growth-hormone fragment researched for fat-metabolism signaling without classic growth effects. It is commonly discussed in weight-management research circles for its potential influence on lipolysis and fat storage pathways. Evidence is mixed and often centers on preclinical or limited clinical data.

ARA-290

ARA-290 is derived from erythropoietin signaling but designed to avoid effects on red blood cell production. It is studied for tissue-protective and anti-inflammatory signaling, including neuropathic pain and repair pathways. Research focus tends to be clinical investigation and mechanistic studies.

B7-33

B7-33 is a relaxin-pathway analog studied for anti-fibrotic signaling and tissue remodeling. It has been explored in research models where scarring and organ fibrosis are key concerns. Most references describe early-stage therapeutic investigation rather than broad real-world use.

BPC-157

BPC-157 is a peptide studied for tissue-repair signaling, including tendon, muscle, and gastrointestinal models. It is frequently discussed for anti-inflammatory and healing-related pathways such as angiogenesis and collagen organization. Much of the evidence base is preclinical, and regulatory status varies by country and use case.

BPC-157 & TB-500 Blend

This blend combines BPC-157 with TB-500 to target complementary tissue-repair mechanisms. It is commonly discussed in injury-recovery research circles due to potential effects on inflammation, cell migration, and structural repair signaling. Evidence and safety data are limited and often extrapolated from separate peptide studies.

Bronchogen

Bronchogen is a short peptide studied in respiratory-focused research, often discussed around bronchial tissue support. It has been explored for signaling related to inflammation balance and epithelial repair. Most references place it in experimental or investigational contexts.

Cardiogen

Cardiogen is studied for potential roles in cardiac tissue signaling and repair models. Researchers explore it for anti-fibrotic or restorative pathways relevant to aging or post-injury remodeling. Its use is generally limited to research frameworks rather than mainstream clinical protocols.

Cartalax

Cartalax is researched in joint and cartilage contexts, often tied to chondrocyte activity and extracellular matrix support. It is discussed for potential influence on degeneration-associated pathways in osteoarthritis models. Evidence is primarily experimental and not definitive for clinical outcomes.

Chonluten

Chonluten is typically discussed in lung and bronchial tissue research. It is explored for its potential to influence inflammatory signaling and support epithelial recovery under stress conditions. Most available discussion remains investigational in nature.

CJC-1295 DAC

CJC-1295 DAC is a modified growth-hormone releasing hormone (GHRH) analog designed for a longer duration of action. It is researched for sustained stimulation of growth hormone and downstream IGF-1 signaling, often in body composition studies. Compared with shorter-acting GHRH analogs, it is typically discussed in longer-interval dosing research.

CJC-1295 NO DAC (Mod GRF 1-29)

This version of CJC-1295 is designed for shorter, more pulsatile stimulation of growth hormone release. Researchers discuss it as a way to mimic more natural GH pulses compared to extended-release formats. It is commonly referenced in performance and endocrine research discussions.

Cortagen

Cortagen is a short peptide studied for neuroimmune signaling and nervous system support pathways. It is often discussed in the context of inflammation balance and cognitive-related research models. Most evidence is exploratory and focused on mechanism rather than confirmed clinical benefit.

Decapeptide-12

Decapeptide-12 is a cosmetic peptide commonly used for the appearance of skin tone uniformity. It is typically formulated to influence pigmentation-related pathways and reduce the look of hyperpigmentation over time. Effects depend heavily on topical formulation quality and consistent use.

DSIP

DSIP (Delta Sleep-Inducing Peptide) is studied for its relationship to sleep architecture and stress physiology. It is often discussed in research contexts involving sleep quality, recovery, and neuroendocrine balance. Evidence varies, and many claims exceed what controlled studies reliably show.

Epithalon

Epithalon is discussed in longevity research for potential links to telomere biology and age-associated signaling. It has been explored in experimental models for immune function and markers of aging. Human evidence is limited, so most conclusions remain speculative.

Follistatin-344

Follistatin-344 is studied for interacting with pathways that influence muscle growth regulation, including myostatin-related signaling. It is often referenced in hypertrophy research because inhibiting growth-limiting signals may increase lean mass in models. Safety and outcomes in humans are not well established outside research settings.

FOXO4-DRI

FOXO4-DRI is studied as a senolytic-style peptide designed to target certain senescent cell survival mechanisms. Researchers explore it for potential effects on aging tissues by influencing apoptosis pathways in senescent cells. Most work remains early-stage and experimental.

Fragment 176-191

Fragment 176-191 is a growth-hormone fragment researched for fat-metabolism signaling and lipolysis-related pathways. It is commonly discussed in weight-management research for its potential to target stubborn adipose tissue. Evidence is mixed and often depends on model type and study design.

GHK Basic

GHK is a tripeptide studied for skin repair signaling and collagen-related pathways. It is widely used in cosmetic research and topical formulations to support the appearance of skin texture and recovery. Outcomes are influenced by delivery method and product formulation.

GHK Basic (Tripeptide-1)

Tripeptide-1 is a form of GHK commonly used in skincare formulations for appearance-focused benefits. It is associated with supporting fibroblast activity and the look of firmness over time. Consistency and formulation quality strongly affect results.

GHK-Cu

GHK-Cu is a copper-complexed version of GHK commonly studied for skin and hair appearance support. It is often linked to antioxidant activity and collagen-associated pathways in topical research. Many products use it to support the look of elasticity and recovery.

GHK-Cu (Copper)

This refers to copper-complexed GHK in cosmetic and tissue-support research contexts. It is typically discussed for enzyme support and oxidative-stress modulation that may influence skin appearance. Topical delivery is the most common application in commercial products.

GHRP-2

GHRP-2 is a growth hormone secretagogue researched for stimulating GH release via ghrelin-related pathways. It is often discussed in body composition research because GH signaling can affect recovery and fat metabolism. Appetite and endocrine effects can vary by individual and context.

GHRP-6

GHRP-6 is another GH secretagogue frequently discussed for GH release and noticeable appetite stimulation. It is commonly referenced in bulking-focused research conversations due to increased hunger signaling. Effects are variable and evidence quality ranges from mechanistic to limited clinical data.

Gonadorelin (GnRH)

Gonadorelin is a GnRH analog used in clinical and research contexts to stimulate LH and FSH release. It is discussed in endocrine work for supporting or testing reproductive axis function. Use cases depend on protocol design and medical supervision.

Hexarelin

Hexarelin is a potent GH secretagogue studied for its influence on GH pulses and related signaling. It is sometimes discussed for potential cardiovascular-related effects alongside performance research. As with other secretagogues, endocrine impacts can be significant and require caution.

Humanin

Humanin is a mitochondrial-derived peptide studied for cellular stress resistance and anti-apoptotic signaling. It is often explored in neurodegeneration and metabolic aging research models. Much of the evidence remains mechanistic and preclinical.

Ipamorelin

Ipamorelin is a selective GH secretagogue often discussed for a “cleaner” side-effect profile relative to some alternatives. Research interest centers on GH pulse stimulation with less appetite stimulation in many users. Evidence varies, and outcomes depend on protocol and individual response.

Kisspeptin-10

Kisspeptin-10 is studied for its role in regulating GnRH release and reproductive hormone signaling. It is discussed in fertility and endocrine research for influencing LH secretion patterns. Most applications remain clinical-research oriented and protocol-specific.

KPV

KPV is a short peptide often discussed for gut and skin inflammation research. It is explored for cytokine-modulating pathways that may influence barrier function and inflammatory signaling. Most evidence is experimental, with topical and GI research being common themes.

Lipopeptide

Lipopeptides are commonly used in cosmetic formulations to support skin barrier feel and hydration appearance. They are often included to improve texture, moisturization, and delivery characteristics in skincare products. Specific outcomes depend on the exact lipopeptide and formulation.

Livagen

Livagen is discussed in research contexts focused on liver support and cellular resilience. It is often tied to hepatocyte protection and recovery signaling in experimental settings. Clinical relevance is not firmly established and remains investigational.

LL-37

LL-37 is an antimicrobial peptide studied for innate immune defense and wound-healing signaling. It is explored for activity against microbes and for immune modulation in inflammatory environments. Research use requires careful handling due to potent biological effects.

Matrixyl

Matrixyl is a well-known cosmetic peptide used to support the appearance of collagen and skin firmness. It is commonly included in anti-aging skincare products targeting fine lines and texture. Results depend on formulation and consistent long-term use.

Melanotan 1

Melanotan 1 is studied for melanocortin signaling related to melanin production and pigmentation. It is commonly discussed in tanning-related contexts and experimental neuroprotective research. Safety and regulatory status vary widely and are important to verify.

Melanotan 2

Melanotan 2 is another melanocortin peptide discussed for pigmentation effects and additional receptor-driven outcomes. It is often referenced for tanning and libido-related effects due to melanocortin receptor activity. Evidence quality varies and adverse effects are frequently reported anecdotally.

MGF

MGF (Mechano Growth Factor) is associated with IGF-1 splice variants studied for muscle repair signaling after training stress. It is discussed in research for satellite cell activity and local tissue recovery pathways. Most practical claims are extrapolated from limited data and mechanistic rationale.

MGF IGF-1 EC

This variant is discussed for influencing muscle growth and repair signaling within IGF-1 related pathways. It is often referenced in hypertrophy-focused research conversations and experimental regeneration contexts. Evidence in humans is limited, so conclusions are tentative.

MOTS-C

MOTS-C is a mitochondrial-derived peptide studied for metabolic regulation and insulin sensitivity pathways. Research interest includes obesity, aging, and exercise-mimetic signaling models. Much of the current evidence remains preclinical and mechanistic.

N-Acetyl Selank

N-Acetyl Selank is a modified form of Selank commonly discussed for anxiolytic and stress-modulating effects. It is explored for potential influence on neurotransmitter balance and cognitive performance under stress. Evidence is limited and largely derived from small studies or regional research traditions.

N-Acetyl Semax

N-Acetyl Semax is a modified form of Semax discussed for cognitive support and neuroprotective signaling. It is often tied to BDNF-related pathways and stress resilience in research discussions. Clinical evidence is limited and varies by study quality.

NAD+

NAD+ is a central coenzyme in energy metabolism and DNA repair processes. It is widely discussed in aging and mitochondrial research due to its role in cellular resilience and signaling. Effects depend on delivery method, baseline status, and broader lifestyle factors.

Nonapeptide-1

Nonapeptide-1 is a cosmetic peptide commonly used for the appearance of skin tone evenness. It is typically formulated to influence pigmentation-related signaling and reduce the look of dark spots. Outcomes depend on formulation quality and consistent topical use.

Ovagen

Ovagen is discussed in organ-support research, often grouped with peptides studied for cellular recovery signaling. It is generally referenced in experimental settings rather than standardized clinical use. Evidence for specific outcomes remains limited.

Oxytocin

Oxytocin is a well-studied peptide hormone involved in social bonding, stress response, and reproductive physiology. In research, it is explored for effects on anxiety, attachment, and certain behavioral outcomes. Clinical use exists in specific medical settings, but off-label applications require caution.

P21

P21 is discussed in experimental aging research for pathways related to cell cycle regulation. It is often referenced in contexts focused on cellular repair, senescence, and resilience signaling. Most work is early-stage and not translated into routine use.

Pal-AHK

Pal-AHK is a palmitoylated peptide commonly used in cosmetic and hair-focused formulations. It is discussed for supporting the appearance of fuller hair through follicle-support signaling and local circulation pathways. Results vary with formulation and consistency.

Pal-GHK

Pal-GHK is a lipidated version of GHK designed for improved topical delivery in skincare. It is commonly used for supporting the appearance of collagen and skin recovery. As with most cosmetic peptides, outcomes depend on formulation and routine use.

Palmitoyl Tetrapeptide-7

Palmitoyl Tetrapeptide-7 is a cosmetic peptide used for the appearance of calmer, less irritated skin. It is often discussed for influencing inflammation-associated signaling that affects puffiness and texture. Performance depends on product formulation and complementary ingredients.

Pancragen

Pancragen is discussed in experimental contexts related to pancreatic tissue support and metabolic signaling. It is often referenced for potential influence on cellular resilience pathways associated with glucose regulation. Evidence is limited and largely investigational.

PE-22-28

PE-22-28 is studied for neuroactive signaling and has been discussed in mood-related research contexts. It is explored for potential effects on neurotransmitter balance and stress response pathways. Evidence remains limited and not broadly validated.

PEG-MGF

PEG-MGF is a pegylated form designed to prolong activity compared with non-pegylated variants. It is discussed in research for muscle repair signaling and recovery-related pathways. Human evidence is limited, and dosing or timing claims are often speculative.

Pentapeptide-18 (Leuphasyl)

Leuphasyl is a cosmetic peptide marketed for smoothing the appearance of expression lines. It is often formulated alongside other peptides to support a more relaxed look in targeted facial areas. Outcomes depend on formulation and consistent application.

Pinealon

Pinealon is discussed in research contexts focused on cognitive support and antioxidant signaling. It is often associated with cellular stress modulation in nervous system models. Evidence remains exploratory and varies by study quality.

PNC-27

PNC-27 is a research peptide studied for anti-tumor mechanisms, particularly membrane-disruptive effects in certain cancer cell models. It is typically discussed in laboratory oncology settings and not in routine therapeutic use. Any practical application claims are highly experimental and not established.

Prostamax

Prostamax is discussed in investigational contexts for prostate tissue support and inflammation-related pathways. It is often referenced in organ-peptide traditions focused on cellular recovery signaling. Evidence for clinical outcomes is limited and not standardized.

PT-141 (Bremelanotide)

PT-141 acts on melanocortin receptors and is discussed for libido and sexual function pathways. Bremelanotide has recognized clinical use in specific settings, while research conversations often extend beyond labeled indications. Effects can vary, and side effects should be considered.

PTD-DBM

PTD-DBM is researched for hair follicle signaling pathways, often discussed in Wnt-related mechanisms. It is explored as a potential tool in hair-growth research due to its pathway-targeting design. Evidence is early-stage and primarily experimental.

Receptor Grade IGF-1 LR3

IGF-1 LR3 is a long-acting analog studied for anabolic signaling and muscle growth pathways. It is discussed in performance and muscle-repair research due to IGF-1’s role in protein synthesis and recovery. Systemic effects can be significant, so research use requires caution.

Selank

Selank is a neuropeptide discussed for anxiolytic and stress-modulating effects. It is often explored for potential influence on GABA-related signaling and cognitive performance under stress. Evidence is limited and not uniformly replicated across large trials.

Semax

Semax is discussed for cognitive support and neuroprotective signaling, often connected to neurotrophic pathways. Research conversations frequently focus on attention, resilience, and recovery from neurological stressors. Evidence quality varies and is not universally accepted.

Sermorelin

Sermorelin is a GHRH analog researched for stimulating endogenous growth hormone release. It is often discussed for recovery, body composition, and age-related endocrine research topics. Response can vary and depends on protocol and baseline endocrine status.

SNAP-8

SNAP-8 is a cosmetic peptide marketed for smoothing the appearance of expression lines. It is often positioned as similar to Argireline, aiming to influence signaling associated with muscle contraction. Results depend heavily on product formulation and consistent use.

Syn-AKE

Syn-AKE is a cosmetic peptide inspired by snake-venom peptide motifs and is marketed for a “relaxing” look. It is used in topical products targeting fine lines by influencing surface-level signaling. Outcomes vary by formulation and are cosmetic rather than structural.

Syn-Coll (Palmitoyl Tripeptide-5)

Syn-Coll is a cosmetic peptide used to support the appearance of firmness and smoother texture. It is often discussed for collagen-associated signaling and improving the look of skin elasticity over time. Consistent use and formulation quality are key drivers of visible results.

TB-500 (Thymosin Beta 4)

TB-500 is discussed for tissue repair signaling, including actin-related pathways involved in cell migration. It is commonly referenced in injury and recovery research conversations for potential effects on inflammation balance and remodeling. Most evidence is preclinical or extrapolated from mechanistic data.

Tesamorelin

Tesamorelin is a GHRH analog with clinical use in specific indications related to visceral fat changes. It is discussed in metabolic and body-composition research due to downstream GH/IGF-1 effects. Use outside clinical guidance can carry risks and should be approached cautiously.

Testagen

Testagen is discussed in organ-peptide research traditions for testicular support and endocrine resilience signaling. It is often referenced in experimental contexts rather than standardized medical use. Evidence remains limited and not broadly validated in large trials.

Thymagen

Thymagen is discussed in immune-focused research contexts, often grouped with thymus-derived peptide traditions. It is explored for potential influence on immune modulation and resilience signaling. Evidence varies and is generally investigational rather than definitive.

Thymalin

Thymalin is a thymus-derived peptide preparation discussed for immune system modulation and age-related immune decline research. It is often referenced in studies examining T-cell associated markers and immune balance. Broader clinical adoption varies by region and regulatory framework.

Thymosin Alpha-1

Thymosin Alpha-1 is a well-studied immune-modulating peptide with clinical use in certain contexts. Research explores it for supporting immune response balance, particularly in infection and immune dysfunction settings. Regulatory status and approved indications vary by country.

Thyrotropin TRH

TRH is a hypothalamic hormone involved in stimulating thyroid-related signaling through the endocrine axis. It is researched for neuroendocrine effects, mood-associated pathways, and metabolic regulation contexts. Any practical use should be medically supervised due to systemic hormone interactions.

Tripeptide-29

Tripeptide-29 is commonly used in cosmetic formulations to support the appearance of collagen and skin firmness. It is often included in anti-aging products targeting texture and fine lines. Results depend on formulation quality and consistent long-term use.

Triptorelin

Triptorelin is a GnRH analog used clinically to modulate gonadotropin release, often for hormone-dependent conditions. It is discussed in endocrinology for its suppressive effects when used continuously. Because it can strongly shift hormone levels, medical oversight is essential.

Vesilut

Vesilut is discussed in organ-support peptide traditions for bladder and urinary tract tissue signaling. It is often referenced for inflammation-associated pathways and epithelial support in experimental contexts. Evidence for standardized clinical outcomes is limited.

Vesugen

Vesugen is discussed in vascular-focused research for endothelial and circulation-related signaling. It is often referenced for vessel resilience, microcirculation support, and recovery pathways. Most evidence remains investigational rather than widely validated.

Vialox (Pentapeptide-3V)

Vialox is a cosmetic peptide marketed for smoothing the look of expression lines. It is often positioned as supporting a more relaxed appearance through surface-level signaling mechanisms. Outcomes vary based on formulation, skin type, and consistent application.

Vilon

Vilon is discussed in immune and aging research contexts, often grouped with thymus-related peptide traditions. It is explored for potential effects on immune regulation and resilience signaling. Evidence remains limited and varies across sources and study designs.

VIP (Vasoactive Intestinal Peptide)

VIP is an endogenous neuropeptide involved in smooth muscle relaxation, vasodilation, and gut signaling. It is studied for immune modulation and inflammatory balance across multiple systems. Because it can affect blood pressure and physiology, any experimental use requires caution.

This ultimate list of peptides provides a solid foundation for understanding their roles. For more on list of injectable peptides or specific categories, explore the sub-sections.

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