Peptide Therapy Specialist

Claude Fortin, MD -  - Anti-Aging & Restorative Medicine

Colorado Ageless Institute

Claude Fortin, MD

Anti-Aging & Restorative Medicine located in Castle Rock, CO

When you experience declined energy, poor sleep, diminished strength, and a drop in libido, you could benefit from anti-aging strategies that include peptide therapy. At Colorado Ageless Institute located in Castle Rock, Colorado, Dr. Claude Fortin offers peptide therapy to reduce the symptoms of aging and help you experience optimal health. Call the office or request an appointment using the online tool to learn how you can thrive with peptide therapy.

Peptide Therapy Q & A

What are peptides?

Peptides are small proteins, made up of amino acid chains. Research shows that you have more than 7,000 naturally occurring peptides in your body. Peptides function as signaling molecules that bind to receptors on your cell surfaces. They then give your cells and molecules instructions as to how to function.

Peptides are naturally occurring bio-regulatory chemicals in the body that
act as master controls of many functions, including hormone production,
cell signaling, and cell to cell communication. To date, over 7000 naturally
occurring peptides have been identified in our bodies. Peptides serve as
natural bio-regulators, able to up- or down-regulate processes dependent
on the status of the cell.

Peptides are defined as amino acid molecules smaller than 50 amino acids,
polypeptides between 50 and 100 amino acids in length, while proteins are
greater than 100 amino acids in length. All three can be either natural,
synthetic or bio-identical.

Peptides have been categorized according to their sources and function.
According to the Handbook of Biologically Active Peptides, some groups of
peptides include antibiotic peptides, immune/inflammatory peptides, brain
peptides, endocrine peptides, gastrointestinal peptides, cardiovascular
peptides, and neurotrophic peptides.

Hormones act on nuclear receptors with resultant gene activation and
protein synthesis. Peptides act on membrane receptors to activate an
intracellular signaling cascade. As a result, peptide signaling molecules
produce a more rapid response with less “side-effects” when compared to

Peptide therapy uses the patients’ own genetically designed peptide
molecules for healing in a safe, and effective manner by modulating
immune function, production of inflammatory mediators, DNA replication,
apoptosis, cell division and renewal, tissue healing, circadian rhythm
regulation, hormone production, etc. Therefore, peptides can address
immune dysregulation, inflammation and Reactive Oxygen Species (ROS)
all of which underlie chronic illness and age related decline.

Peptides are more available in the past 5 years due to technological
advances in creating them, with associated lowering of production costs,
increased duration of the biological effects, and improved stability (via
PEGylation). As of today, there are 7000 known peptides, 140 in phase 1
trials, and 60 FDA approved.

What is peptide therapy?

Peptide therapy involves the administration of peptide drugs via injection or intravenous therapy. You may also benefit from peptide therapy applied as nasal sprays, oral tables, or topical creams.

Dr. Fortin may recommend peptide therapy to help increase your output of growth hormone and treat the signs of aging. He reviews any symptoms and your wellness goals to determine if peptide therapy is right for you.

What symptoms can peptide therapy address?

Peptide therapy treats a variety of age-related conditions. These include:

  • Obesity
  • Osteoporosis
  • Chronic fatigue
  • Fibromyalgia
  • Autoimmune diseases
  • Mood changes and irritability
  • Decreases in muscle tone
  • Reduced skin elasticity and wrinkling
  • Poor sex drive and erectile dysfunction
  • Thinning, dull hair

Peptides as cellular signaling molecules can currently be used clinically for:

  • Hormone optimization
  • Weight loss
  • Increase lean body mass
  • Optimizing libido
  • Performance enhancement
  • Antimicrobial
  • Dermatological and esthetic enhancement
  • Optimizing healing and repair
  • Cognitive enhancement
  • Sleep facilitation
  • Up-regulation of telomerase activity
  • Restore immune system homeostasis
  • Reduction of anxiety and depressed mood


Peptide therapy fights total body inflammation. The therapy can discourage the decline of your internal and external physiology that occurs with aging by boosting immune system function.

When undergoing peptide therapy, you experience an improved quality of life. You experience greater muscle strength and endurance, lose weight, sleep better, look younger, and exhibit a happier, more robust personality. Patients undergoing peptide therapy report feeling the best they have in years.*

Who is a candidate for peptide therapy?

Any healthy adult concerned about overall health and wellness may benefit from peptide therapy. The treatment is safe and effective in addressing a variety of concerns. Dr. Fortin reviews your symptoms and health goals to customize peptide therapy for you. Peptide therapy encompasses multiple options with different physiological effects. Dr. Fortin is able to prescribe the drugs that are most supportive of your health and wellness needs.

A consultation with Dr. Fortin at Colorado Ageless Institute is the best way to learn more about peptide therapy and its potential to revitalize your well-being. Call the office or request an appointment using the online tool to learn how peptide therapy can benefit you.


Available Peptides and Their Benefits


Statements made are for educational purposes and have not been evaluated by
the US Food and Drug Administration (FDA). They are not intended to diagnose, treat, cure, or
prevent any disease. Peptides should only be administered by licensed and qualified health
care professionals.


  • Optimize brain function and reduction of brain inflammation
  • Facilitate weight loss
  • Optimize wound healing
  • Optimize GI health
  • Neuroprotective


  • Increase libido in both men and women via central melanocortin receptor agonist (high affinity
    for MC4R) mechanism
  • Improve penile erectile function in men
  • Optimize weight loss.


  • Improve metabolic activity of neurons
  • Enhance cognitive function, memory, creativity and motivation either de novo or following brain injury
  • Strengthen neural pathways and the integrity of the neurons themselves by promoting synaptic plasticity, which results in optimizing brain functions
  • Protects neurons from free radicals (oxidative stress), acidosis and neurotoxic effects of Glutamate.

Delta sleep inducing peptide (DSIP)

  • Facilitate sleep onset and maintenance
  • Reduce the body’s responses to acute stress
  • Potentially assist in alleviating chronic pain
  • Protect against oxidative stress
  • Optimize stress coping.


  • Up-regulation of telomerase activity
  • Normalization of anti-oxidant indices
  • Reduction of peroxide lipid oxidation products
  • Increased activity of glutathione peroxidase (Potent anti-oxidant)
  • Improved melatonin and immunity (cellular and humoral).


  • The goal and potential benefits of this therapy are to restore immune system
    homeostasis in different physiological and pathological conditions, as well as to promote
    stem cell maturation. Thus, it optimizes wound healing.


  • Attempt to prevent, reduce or control the dysfunction associated with the aging process, through
    hormonal balancing, control of oxidative stress, and other clinically significant therapeutic
  • Optimize the neurogenesis process with an increase in neuronal plasticity (interconnectedness
    of neurons), with resultant optimized learning capacity and memory
  • Antidepressant and anti-anxiety effects
  • Accelerate fat loss and increase in lean body mass
  • Effectuate improvements to quality of sleep, energy, mood, bone density, immune function.


  • Enhance Endogenous Testosterone production
  • Physiologic Hormone Replacement Therapy
  • Physiologic Gonadotropin Hormone Release.

Melanotan 2

  • Supports tanning via melanogenesis and therefore is photo protective
  • Improves libido
  • Reduces appetite and induces weight loss
  • Neuro-protective by reducing neural inflammation
  • Reduction of addictive behaviors.


Semax and Selank

  • Nootropic effects including optimizing memory, attention, and learning processes
  • Accelerate nerve regeneration
  • Optimize neuromuscular performance
  • Neuro-psychotropic effects with reduction in anxiety, depression, anti-stress effects, and lessening of aggressive behaviors
  • Reduction in body fat and improvement in blood sugar levels.

Thymosin Beta 4 (TB4)

  • Promotes hair growth
  • Promotes healing
  • Neuroprotective both central and peripheral
  • Reverse alcohol induced liver effects


  • Increase in lean body mass
Promotes lipolysis

  • Increased energy
Increased strength

  • Accelerated wound healing
  • Improved cardiovascular and immune function 
  • Improves sleep quality

  • Improved bone density
  • Improved skin quality and higher collagen density

  • Increased IGF-1 

GHRP 2  

  • Increased endurance
Improves recovery

  • Accelerated wound healing
  • Improved cardiovascular health
  • Increased energy 
  • Improves sleep quality

  • Promotes lipolysis

  • Aides in the improvement of vision
  • Improves bone density via increased calcium retention and bone mineralization
  • Promotes gluconeogenesis in the liver