Amount not clearWe cannot tell if this amount is for one item or the whole pack
Items in the pack
UnknownNot stated
Total amount in the pack
UnknownCalculated only when the seller gives clear amounts
Price per item
Not listed or not clear
Price per milligram (mg)
Not listed or not clear
The amount shown is what the store lists. It is not advice on how much to use. We show price per milligram (mg) only when the whole pack amount is clear. IU is a different unit. We do not turn IU into mg.
Pack details not clear
This is the store’s price before shipping, tax or codes with extra rules. We do not check if a product is genuine, safe or approved for sale.
THE PRODUCT BEHIND THE PRICE
What this listing tells you.
Read the whole pack.
DSIP + Epitalon + Selank | Sleep & Longevity Research Stack is a listing from Polar Peptides. A single ingredient could not be identified from the saved name. The product form was not clear in the source.
We cannot state a clear total in mg for this pack, so a price per mg would be a guess. This often happens with blends, units such as IU, or a label that does not say how many items the price covers. A pack amount is not an amount to use.
Read the price in time.
There are 3 saved checks shown in this page’s history starting October 21, 2026 and running through October 22, 2026. A saved check records what the seller showed at that time.
A seller’s crossed-out price and a price drop we observed are different facts. The history below shows our checks. Delivery, tax, account-only prices and codes may change what you pay at the store.
Use the side-by-side pack table to check the same ingredient, form, amount and number of items. A cheaper price across different packs is not a like-for-like result.
THE SCIENCE BEHIND THE NAME
Get to know the named ingredients.
DSIP
A peptide studied in sleep research. Its name does not tell us whether a product helps sleep. Delta sleep-inducing peptide, also called emideltide, is a nine-amino-acid peptide. A sleep-related name is not itself clinical proof.
A 1992 double-blind study included 16 people with chronic insomnia. Some objective sleep differences were weak, while subjective sleep quality did not improve. The authors did not find likely major short-term therapeutic benefit. It did not test a DSIP/Melatonin pen.
A short peptide studied in cell-aging research. Also spelled Epithalon; usually the synthetic four-amino-acid peptide Ala-Glu-Asp-Gly. It is not the same as Epithalamin, a tissue extract.
The cited 2003 and 2025 papers used cultured cells, not people receiving a finished product. They do not establish longer life or slower aging in humans. Epitalon is also different from Epithalamin, a mixture extracted from pineal tissue.
A peptide studied in research on stress-related signaling. Usually a synthetic seven-amino-acid peptide based on tuftsin: Thr-Lys-Pro-Arg-Pro-Gly-Pro. Modified variants require separate verification.
A 2014 comparison involved 60 patients with anxiety-related disorders and reported symptom changes versus phenazepam. It was a small clinical comparison with limited indexed method detail, not proof that a finished Selank product produces calm or better focus in healthy people.
Compare the amounts and prices listed by sellers. A milligram (mg) is a small unit of weight. Price per mg means the pack price divided by its total mg. The bars show prices checked within 72 hours in CAD only. A shorter bar means a lower price per mg. We leave the total blank if the seller has not given enough facts.
Your chosen product and up to 24 recent listings for the same compound. They may have different forms or quality. A lower price does not mean a product is safe.
Seller and product
Amount listed
Items
Total mg
Pack price
Price per mg
Seller link
Source product image
Polar PeptidesDSIP + Epitalon + Selank | Sleep & Longevity Research StackSelected listingNot used to find the lowest price · Listed in stock
These listings have the same named compound, amount, number of items and form. We show up to 24 other recent listings. Check the currency and date. The stores may not offer the same quality.
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