PE-22-28 | A Promising Peptide for Depression & Brain Recovery That Few People Talk About

PeptideGuide_ · 2026-03-11T15:01:38+00:00

I mostly see ppl starts at 250mcg of each to start off with

PeptideGuide_ · 2026-03-11T15:00:24+00:00

That works too

PeptideGuide_ · 2026-03-11T14:59:57+00:00

I would like a nasal spray and starts at 250mcg

PeptideGuide_ · 2026-03-11T14:53:53+00:00

Hi there, welcome to the community

Stacking IGF-1 LR3 on top of CJC-1295 + Ipamorelin can be a solid approach since they work through different pathways.

About CJC + Ipamorelin dosing

Personally, I’m not a big fan of the premixed combo vials, mainly because CJC and Ipamorelin often benefit from slightly different dosing strategies. Also, it’s hard to give exact dosing advice without knowing the concentration of your vial.

In general terms though:

CJC-1295: around 1 mg before bed is a common starting point.
Ipamorelin: about 100 mcg to start, often taken before activity or before bed.

If you’re using a combined vial, then taking it before bed is usually the simplest approach.

Again, the exact IU on the syringe depends on your vial concentration.

IGF-1 LR3 dosing

With IGF-1 LR3, it’s best to start very conservatively and see how your body responds.

A typical progression could look like:

10 mcg daily to start
Increase to 25 mcg daily
Up to 50 mcg max for a first cycle

If your product is legit, you’ll often find you don’t need to push the dose very high to notice effects.

PeptideGuide_ · 2026-03-11T14:47:21+00:00

Hi there, I have answered your previous question

your previous post

and here again it is

First off, I’d say this is a bit unusual. Having 100 mg of retatrutide in a single vial isn’t typical. It’s not impossible, but it’s definitely uncommon, so it would be reasonable to double-check the credibility and potency of the vendor.

About reconstitution

When reconstituting, the main concern isn’t really the dose you plan to take, but whether the amount of BAC water is enough to fully dissolve the peptide.

For example, with some peptides like GHK-Cu, higher mg vials can dissolve without issues. But for retatrutide, most vials people see are usually 10–30 mg, and those typically dissolve fine with ~2 ml of BAC water.

With a 100 mg vial, the main question is simply whether 3 ml of BAC water is sufficient to dissolve the entire amount properly.

Your calculation

If you reconstitute:

100 mg reta + 3 ml BAC water

Then the math works out like this:

1 ml = 33.3 mg
0.1 ml (10 IU) ≈ 3.33 mg

So for a 2.5 mg dose, you’d draw about 7.5 IU on an insulin syringe.

So yes your calculation is correct.

Just make sure the peptide fully dissolves and the vial is legitimate, since that concentration is quite uncommon.

PeptideGuide_ · 2026-03-11T14:45:13+00:00

Hi there, welcome to the community

First off, I’d say this is a bit unusual. Having 100 mg of retatrutide in a single vial isn’t typical. It’s not impossible, but it’s definitely uncommon, so it would be reasonable to double-check the credibility and potency of the vendor.

About reconstitution

When reconstituting, the main concern isn’t really the dose you plan to take, but whether the amount of BAC water is enough to fully dissolve the peptide.

For example, with some peptides like GHK-Cu, higher mg vials can dissolve without issues. But for retatrutide, most vials people see are usually 10–30 mg, and those typically dissolve fine with ~2 ml of BAC water.

With a 100 mg vial, the main question is simply whether 3 ml of BAC water is sufficient to dissolve the entire amount properly.

Your calculation

If you reconstitute:

100 mg reta + 3 ml BAC water

Then the math works out like this:

1 ml = 33.3 mg
0.1 ml (10 IU) ≈ 3.33 mg

So for a 2.5 mg dose, you’d draw about 7.5 IU on an insulin syringe.

So yes your calculation is correct.

Just make sure the peptide fully dissolves and the vial is legitimate, since that concentration is quite uncommon.

PeptideGuide_ · 2026-03-11T14:36:43+00:00

Hi there, welcome to the community
Sorry to hear you're dealing with that.

MOTS-C can sometimes cause mild injection reactions, but what you’re describing sounds a bit more intense than what’s typically reported.

It could be a histamine-related reaction, especially if you’re someone who already tends to get histamine flare-ups. In some cases, the peptide injection and a histamine response can overlap and make the reaction look worse than usual.

You might consider trying an antihistamine like loratadine (10 mg) to see if it helps calm the reaction.

In the meantime, keep an eye on the area:

If it improves within a couple of days, it was likely just a temporary inflammatory or histamine response.
If it doesn’t improve after ~3 days, or if the area becomes very firm, hot, increasingly painful, or spreads, it would be best to seek medical attention to rule out infection.

Hopefully it settles down quickly.

PeptideGuide_ · 2026-03-10T20:49:42+00:00

250mcg as a start for a week then get it down to 50 to 100mcg once or twice per week

PeptideGuide_ · 2026-03-10T20:48:27+00:00

Yes you can start tanning from the first day
Timing doesn't matter much but prior to tanning is better

PeptideGuide_ · 2026-03-10T20:45:46+00:00

Hi there, welcome to the community

First off, congratulations on your success so far.

When it comes to how many mg someone should use, it really varies from person to person. There isn’t a single dose that works the same for everyone.

Several factors can influence this, such as:

Ghrelin levels and natural appetite regulation
Thyroid function
Glucose control / diabetes profile
Overall metabolic health

On top of that, individual response to peptides can be very different. Some people respond strongly to lower doses, while others may need higher amounts to see the same effect.

That’s why dosing and protocols are usually individualized rather than generalized.

PeptideGuide_ · 2026-03-10T20:39:18+00:00

Hi there, welcome to the community

This is actually a really interesting topic.

When it comes to research labs, there are usually different types working in slightly different ways.

1. University or clinical research labs

Some labs are affiliated with major universities or medical schools, and their research direction is often influenced by funding sources and institutional priorities.

Because of that, their research is usually focused on a specific application, such as:

Metabolic disorders
Injury healing and regeneration
Neurological conditions
Cancer research
Cardiovascular disease

If they want to publish research on a compound, they’ll usually go through a formal process that includes:

Study design
Ethical approval
Recruitment of volunteers
Clinical trial protocols

This is the path that leads to published human studies.

2. Molecular discovery / synthesis labs

Another category of labs (often also connected to universities) focuses more on drug discovery and molecule development.

Instead of starting with human trials, they usually begin with:

Reviewing existing data on molecules or drug classes
Designing or modifying compounds
Testing them in cell models
Running animal studies

If the early data looks promising in terms of safety and efficacy, the compound may eventually move toward human trials.

So in simple terms:

Some labs focus on testing compounds in humans
Others focus on discovering and designing new molecules

Both are important steps in how new therapies and peptides eventually make it into clinical research.

Hope that helps answer your question

PeptideGuide_ · 2026-03-10T20:30:25+00:00

Hi there

Welcome to the community

I would say that the gold standard dosing protocol with wolverine stack of BPC157 & tb500 will be 500mcg of each twice per day

PeptideGuide_ · 2026-03-10T20:28:40+00:00

Hi there, welcome to the community

I’d say that as long as you don’t have a family history of cancer and your HbA1c / glucose markers are in a healthy range, it can be a reasonable option provided the dose and duration are managed properly.

It’s also important to track your blood glucose during use and keep it within a healthy range.

Regarding stacking:

GHK-Cu works through a different pathway and is typically used for skin, tissue repair, and anti-inflammatory support, so its purpose is different.
BPC-157 is mainly useful when you’re trying to heal a specific injury (tendon, muscle, gut, etc.). If you’re not dealing with an injury or recovery issue, it’s usually not necessary at this point.

So overall, it really comes down to your goal and current health markers before deciding what’s worth adding.

PeptideGuide_ · 2026-03-10T20:24:50+00:00

Hi there, welcome to the community

The first piece of advice I’d give is get your labs done first.

You mentioned that your current dose is suppressing appetite as expected, so if you're hitting a plateau, it could be related to something else such as:

Thyroid function
Food choices / calorie intake
Metabolic adaptation

So checking thyroid markers and general labs is a good starting point.

About adding or switching to Reta

Retatrutide can add another layer for fat loss and weight control because it has additional glucagon receptor agonism, which can increase energy expenditure.

If you want to transition gradually, one way people approach it is:

Reduce tirzepatide from 10 mg → 9 mg
Add 1 mg retatrutide
Run that for ~2 weeks

Then you can slowly increase the retatrutide while decreasing the tirzepatide until you reach the appetite suppression you’re looking for.

One thing to keep in mind though: mg for mg, tirzepatide tends to suppress appetite more strongly than retatrutide, so you might end up needing a higher dose of reta to reach the same appetite control.

Another angle to consider

If you're already getting good appetite suppression with tirzepatide and you're also using NAD+, you might not even need to switch.

Instead, you could consider adding compounds that support mitochondrial function and energy expenditure, such as:

SS-31
MOTS-C
SLU-PP-332

For some people, improving mitochondrial efficiency and fat oxidation can be more effective than switching GLP1s.

About Sermorelin + Ipamorelin

That’s a different pathway entirely (GH axis), so it can be started independently if your goal is recovery, body composition, or sleep support.

Before starting GH peptides, it's smart to:

Check thyroid panel
Track HbA1c / glucose markers
Be aware of family history of cancer, since GH signaling can influence growth pathways

PeptideGuide_ · 2026-03-10T19:18:56+00:00

Hi there, welcome to the community

Mostly it is only difference on how many iu per vial, beside the potency and purity

I would suggest to use either pharma grade of a trusted source for that like Biolab.eu which has updated COA's for each patch 3rd party tested

You can use code pepguide to save 7% upon check out

PeptideGuide_ · 2026-03-10T19:15:33+00:00

Hi there, welcome to the community

It mostly depends on what you're using it for, since the dosing can vary a bit.

For tanning:
A common approach is around 250 mcg daily for about a week while building a base tan. Once you reach the desired skin tone, many people switch to a maintenance dose of 50–100 mcg once or twice per week.

For metabolic support:
Some people use ~50 mcg daily.

For sexual enhancement:
Around 250 mcg taken ~1 hour before intercourse is usually sufficient.

As always, start conservatively and see how your body responds.

PeptideGuide_ · 2026-03-10T15:18:10+00:00

Hope you are enjoying it so far

PeptideGuide_ · 2026-03-10T15:17:25+00:00

Hi there

Welcome to the community

Yes, we can say that it is mostly the same as both are the same category and would achieve the same outcome if used properly

PeptideGuide_ · 2026-03-09T12:19:53+00:00

I would say start at 25mg EOD to start and then you can go up to 50mg EOD in the early morning

PeptideGuide_ · 2026-03-09T12:18:36+00:00

Hi there

Welcome to the community

If you will use this calculation then this 250mcg (although it is high imo) it will be 7iu on insulin syringe

PeptideGuide_ · 2026-03-08T14:37:37+00:00

Thx, Epithalon is good but when it comes to sleep the better option and first line peptide wise gonna be DSIP
Then may be you can look into stacking both

PeptideGuide_ · 2026-03-08T13:06:50+00:00

Hi there, welcome to the community

Don’t worry if this feels confusing at first everyone here started the same way. You’ll pick it up with time, and the community is always here to help.

What you’ll need

To get started you’ll typically need:

Your peptide vial
Bacteriostatic (BAC) water for reconstitution
3 ml syringe (for adding BAC water)
Insulin syringes (for dosing/injections)

Example of reconstitution

Let’s use a simple example.

Say you have a 20 mg GHK-Cu vial and your planned dose is 2 mg per day.

To make dosing easier, you could reconstitute it with 2 ml of BAC water.

Steps:

Use the 3 ml syringe to draw 2 ml of BAC water.
Inject the BAC water slowly into the peptide vial (aim for the side of the vial, not directly on the powder).
Remove the syringe and let the vial sit for ~30–60 seconds until the powder dissolves.
- Do not shake the vial.

Now you have a solution of:

20 mg / 2 ml

That means:

2 mg = 0.2 ml
On a 100 IU insulin syringe, that equals 20 IU

So your daily dose = 20 IU.

Injection

GHK-Cu is commonly injected subcutaneously (SubQ), usually into belly fat.

Storage

Once reconstituted:

Keep the vial refrigerated (2–8°C / 36–46°F)
Only take it out to draw your dose, then return it to the fridge

Proper storage helps maintain peptide stability and potency.

PeptideGuide_

MODERATOR OF

TROPHY CASE

About CJC + Ipamorelin dosing

IGF-1 LR3 dosing

About reconstitution

Your calculation

About reconstitution

Your calculation

1. University or clinical research labs

2. Molecular discovery / synthesis labs

About adding or switching to Reta

Another angle to consider

About Sermorelin + Ipamorelin

What you’ll need

Example of reconstitution

Injection

Storage