
Starter Kit
Kit Includes:
- 20 Insulin Syringes (31G, 5/16”, 1cc)
- 1 Reconstitution Syringe
- 20 Alcohol Prep Swabs
- 1 Vial of Bacteriostatic Water (10 mL)
⚠️ Important Disclaimer
For Research Use Only. Not for human consumption or therapeutic treatment.
Essential Supplies

Starter Kit
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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Quality First
All peptides meet USP quality and are 3rd party tested with COAs
Fast Shipping
Place your order before 12 PM Pacific M-F, and we’ll ship same day
Easy Consults
Peptide consults available, 100% online at your convenience
Proactive Support
We provide support, education and training for peptide safety.
FAQs
Why should you buy peptides from Fierce?
At Fierce, quality and transparency is at the forefront of our processes, along with science and longevity. All of our products are manufactured under strict current Good Manufacturing Practices (cGMP) and in accordance with FDA CFR Title 21 guidelines to ensure the highest standards of quality and safety. We utilize FDA-registered, third-party laboratories to verify every batch for purity, potency, and the absence of contaminants.
Why use Fierce as a peptide supplier:
- Competitive pricing
- Same-day shipping available in all 50 states
- Third party tested and confirmed with a Certificate of Analysis (COA)
- Meets U.S. Pharmacopeia (USP) standards
- Synthesized and handled by GMP compliant facilities
- Rigorous quality and purity requirements >98% confirmed with RP-HPLC and MS testing
- Independent providers available to support with proper instruction regarding peptide protocols, reconstituting (mixing), handling and storage
What are peptides?
If you're thinking, "I have no idea what peptides are," don't worry, you're not alone. We can blame our biology teacher later. However, I'm sure you know common terms such as insulin, oxytocin, collagen. These are all peptides.
As a matter of fact, the human body naturally produces more than 7,000 known peptide types. With this many peptides, they are used in a wide variety of the body's systems and are essential to the way we function and age.
Peptides are very tiny proteins made up of short chains of amino acids. They signal the cells in your body to act in certain ways. As a result, peptides are responsible for how you function, feel, look and live overall. Since different peptides affect different cells and functions, they can be highly tailored and targeted to treat a full spectrum of health, wellness, fitness, metabolism, aging and cognitive conditions.
Are peptides safe?
Because peptide injections are very similar to peptides that naturally exist in the body and in healthy foods, peptides are typically safe to inject and have very few side effects. The FDA has categorized peptides as GRAS (considered to be generally recognized as safe) ingredients.
Peptides offered by Fierce adhere to rigorous quality and purity standards, with a purity level greater than 98% confirmed through RP-HPLC and mass spectrometry (MS) testing. Our products meet U.S. Pharmacopeia (USP) standards and are third-party tested, with a Certificate of Analysis (COA) provided to confirm their quality. All peptides are synthesized and handled in GMP-compliant facilities, ensuring the highest manufacturing standards. Additionally, independent providers are available to support you with proper instruction regarding peptide protocols, reconstituting (mixing), storage, and handling ensuring a safe and effective experience.
Only about 33 non-insulin peptide injections are approved by the FDA, because more research needs to be done on long-term safety. There are over 170 peptides in clinical trials for efficacy and safety.
Several peptides were added to Category 2 under Section 503A of the Food, Drug, and Cosmetic Act — implies that there may be more regulations to come around use cases for peptides in the future. This does not mean that these peptides are banned, illegal, or unsafe.
Which peptides should I consider?
The process of peptide therapy is a dynamic and individualized journey. We have made it simple to search by category, and easily apply condition or symptom filters when browsing all peptides.
If you would like to schedule an onboarding call to discuss how to integrate peptides into your practice, our team would be happy to discuss these options.
Do peptides really work?
The efficacy of peptide therapy for various medical conditions is still being studied, however, there is evidence and research that suggests peptide therapy may be an effective treatment for many conditions.
The first half of the 20th century witnessed the discovery of several life-saving bioactive peptides, such as insulin. The discovery and development of insulin has been considered as one of the monumental scientific achievements in drug discovery.
As the building blocks of proteins, peptides play an essential part in many biological functions - including aging. Combat age-related decline, support muscle growth and performance, boost your skin health, metabolism, and more with peptide treatments delivered directly to you.
It is important to note that peptide therapy is not a cure for any medical condition and should be used in conjunction with other medical treatments and lifestyle changes.
Why are peptides growing in popularity?
The use of peptides as drugs began as early as the 1950s with the discovery of hormones and neurotransmitters and treatment with peptide-based drugs for hormonal therapy.
Peptide injections are the most popular, because they provide the highest bioavailability in the body. Injections are also easy to administer, ensuring the peptides circulate directly into the bloodstream. Other dosage methods include nasal, transdermal, or oral.
Here are some of the potential benefits of peptide therapy:
- Anti-aging: Peptides help in reducing fine lines and wrinkles, and immunology benefits such as mitochondrial repair.
- Weight loss: Certain peptides boost the metabolism and improve caloric burn to help reduce cravings and promote weight loss.
- Muscle growth: Certain peptides can stimulate muscle growth, increase endurance, and reduce muscle fatigue.
- Improved athletic performance: Some peptides can enhance athletic performance by increasing oxygen delivery, boosting energy levels, and reducing recovery time.
- Improved sleep: Peptides can help regulate the body’s circadian rhythm and improve sleep quality.
- Improved sex drive: Certain peptides work directly through the nervous system to increase arousal, desire, satisfaction, and help to improve overall sexual function in men and women.
You should note that peptide therapy is not a magic solution, and its effects may vary depending on the individual and the type of peptide being used. Consult with a medical professional before using peptides.

