For a BPC-157 and TB-500 blend, a common research dosage for weight loss is 250-500 mcg of each peptide per day, or 2.5-5 mcg per kg of body weight. There is no direct evidence that this blend causes weight loss in humans, but it may support recovery and reduce inflammation, which can indirectly help with body composition goals.
What Is the BPC-157 TB-500 Blend?
BPC-157 and TB-500 are research peptides often combined in a single vial. BPC-157 is a pentadecapeptide derived from gastric juice. TB-500 is a synthetic fragment of thymosin beta-4. Both are studied for tissue repair and anti-inflammatory effects. The blend is popular among researchers exploring recovery from injuries, gut health, and overall healing.
Neither peptide is approved for human use. They are sold for research and laboratory purposes only. The blend is not a weight loss drug. Any weight changes reported are anecdotal and likely secondary to improved mobility or reduced inflammation.
Researchers often ask for a dosage calculator for weight. The most common protocol is 250-500 mcg of each peptide daily. For a 100 kg subject, that equals 2.5-5 mcg per kg. The total daily dose of the blend is 500-1000 mcg. This is typically split into one or two subcutaneous injections.
There is no established dose for weight loss. The dosage is based on general healing protocols. If weight loss is the goal, the peptide blend is not a primary agent. It may support exercise recovery, allowing more consistent training, which can contribute to fat loss over time.
How to Calculate Your Dose
To calculate a dose, you need the vial size and the amount of bacteriostatic water added. A common vial contains 5 mg of BPC-157 and 5 mg of TB-500. If you add 2 mL of water, each 0.1 mL contains 250 mcg of each peptide. For a 250 mcg dose of each, you would inject 0.1 mL.
For a 500 mcg dose of each, inject 0.2 mL. Always use a sterile syringe and follow proper reconstitution guidelines. The dosage calculator for weight is simply a tool to convert mcg to volume. It does not adjust for body weight in a clinically validated way.
BPC-157 TB-500 Dosage for Weight Loss
Some researchers use the blend at 250 mcg of each peptide twice daily. That totals 500 mcg of each per day. Others use 500 mcg once daily. There is no consensus. The half-life of BPC-157 is short, around 4 hours, so twice daily dosing may maintain steadier levels. TB-500 has a longer half-life of several days, so once daily or even less frequent dosing is common.
For weight loss specifically, no dosage has been proven. Anecdotal reports suggest that improved recovery from workouts can lead to more training volume. That may indirectly support fat loss. However, the blend does not increase metabolism or suppress appetite like GLP-1 agonists such as semaglutide or tirzepatide.
If you are researching weight loss peptides, you may want to compare this blend to other options. For example, BPC-157 vs TB-500 for muscle recovery explains how these two peptides work individually. That article is more relevant for injury healing than fat loss.
Does the Blend Actually Help with Weight Loss?
No clinical studies show that BPC-157 or TB-500 causes weight loss. The peptides are not lipolytic. They do not act on appetite centers. Any weight change is likely due to reduced water retention from inflammation, improved gut health, or increased physical activity from pain relief.
In animal studies, BPC-157 has shown protective effects on the gastrointestinal tract. It may help with leaky gut or ulcers. TB-500 promotes angiogenesis and cell migration. These effects can improve overall health, but they are not direct fat burners.
If your primary goal is weight loss, you might consider peptides like semaglutide or tirzepatide. Those have robust clinical data for weight reduction. The BPC-157 TB-500 blend is better suited for recovery and healing research.
How to Reconstitute the BPC-157 TB-500 Blend
Reconstitution is straightforward. Use bacteriostatic water. For a 5 mg/5 mg vial, adding 2 mL gives a concentration of 2.5 mg/mL of each peptide. That means 0.1 mL contains 250 mcg of each. Draw the water slowly and inject into the vial. Let it dissolve. Do not shake.
Store the reconstituted vial in the refrigerator. Use within 30 days for best stability. Never freeze. Always use an alcohol swab on the vial top before drawing.
Step-by-Step Reconstitution
- Wipe the vial top with alcohol.
- Draw 2 mL of bacteriostatic water into a syringe.
- Inject the water into the vial, aiming at the glass wall.
- Gently roll the vial between your hands. Do not shake.
- Let it sit for a few minutes until clear.
- Store in the fridge.
For a 250 mcg dose of each peptide, draw 0.1 mL. For 500 mcg, draw 0.2 mL. Use an insulin syringe with clear markings.
Common Cycle Lengths for the Blend
Typical research cycles last 4 to 8 weeks. Some protocols use 8 weeks on, 4 weeks off. Others use daily dosing for 4 weeks, then reduce to 2-3 times per week. There is no standard cycle for weight loss because the blend is not a weight loss peptide.
If you are using the blend for recovery, a 6-week cycle is common. Monitor for any side effects. Discontinue if irritation occurs at the injection site.
Side Effects and Safety
Reported side effects are mild. They include injection site redness, headache, nausea, or fatigue. These are usually transient. Long-term safety data are lacking. The peptides are not approved by the FDA for human use. In fact, the FDA has recently scrutinized BPC-157. For more on that, read what the FDA panel vote on BPC-157 means for Canadian researchers.
Do not use this blend if you are pregnant, nursing, or have a history of cancer. TB-500 promotes angiogenesis, which could theoretically accelerate tumor growth. Always consult a physician before using any research chemical.
Where to Buy BPC-157 TB-500 Blend
You can buy the BPC-157 TB-500 blend from online peptide suppliers. Look for vendors that provide third-party testing and purity certificates. Prices vary. A 5 mg/5 mg vial typically costs $40 to $80. Some vendors sell pre-mixed blends, while others sell separate vials.
In Canada, research peptides are legal to purchase for laboratory use. However, they are not approved for human consumption. Always check local regulations before ordering.
BPC-157 TB-500 Blend vs Other Peptides for Weight Loss
If weight loss is your main goal, the BPC-157 TB-500 blend is not the best choice. Peptides like semaglutide, tirzepatide, and retatrutide have strong clinical evidence for weight reduction. They work by mimicking incretin hormones, reducing appetite, and slowing gastric emptying.
For example, semaglutide has been shown to reduce alcohol cravings in some studies. That can indirectly help with weight loss. You can read more about semaglutide and alcohol craving results on our site. The BPC-157 TB-500 blend does not have such effects.
However, if you are recovering from an injury and want to maintain training intensity, the blend may be useful. It can support tendon, ligament, and muscle healing. That may allow you to exercise more consistently, which supports fat loss over time.
Final Thoughts on Dosage for Weight Loss
The BPC-157 TB-500 blend dosage calculator for weight is not a standard tool. Most researchers use 250-500 mcg of each peptide daily. That equals 2.5-5 mcg per kg for a 100 kg subject. There is no evidence that this dose causes weight loss directly.
If you decide to research this blend, start low. Monitor your response. Keep a log of dosage, injection site, and any effects. Do not expect rapid fat loss. The blend is best for recovery and inflammation, not for cutting body fat.
For more on how BPC-157 compares to TB-500 for muscle recovery, see our detailed comparison BPC-157 vs TB-500 for muscle recovery. That article covers dosing and effects for athletes.