Semax and selank on TikTok: separating hype from actual data

What did @chef_russ_vsg actually say?

Using food metaphors throughout, the creator walked through how to reconstitute two research peptides, semax and selank, into nasal spray form. The core advice: skip bacteriostatic water for nasal use and reach for 0.9% normal saline instead. The process shown involved dissolving the lyophilized peptide in 1 mL of saline, drawing it back into a syringe, transferring it to a nasal spray bottle, and topping up to 10 mL total. They described this as "reconstituting with the nasal spray" and directed viewers to grab their own peptides via a link in bio. No dosing instructions were given on camera, but the implication throughout is that this product is headed into someone's nose shortly after preparation.

Does the science back this up?

The saline recommendation is the most defensible part of this video, and it's worth crediting. Bacteriostatic water contains benzalkonium chloride or benzyl alcohol depending on formulation, and repeated intranasal exposure to either compound has documented irritant effects on nasal mucosa. That part checks out. On the peptides themselves, the picture is murkier. Semax is a synthetic heptapeptide (ACTH 4-7 Pro-Gly-Pro) developed in Russia and studied primarily for cognitive and neuroprotective effects. Selank is a synthetic analog of tuftsin. Most published research on both compounds comes from Russian-language studies with small sample sizes and limited independent replication. Dolotov et al. (2006, Annals of the New York Academy of Sciences) documented behavioral effects of semax in animal models. Kozlovskaya et al. (2014, Drug Development Research) described selank's anxiolytic profile. Neither compound has completed Phase III trials in Western regulatory frameworks. The reconstitution method shown is broadly consistent with standard lyophilized peptide prep, but "broadly consistent" is not the same as validated for these specific compounds at home.

What did they get wrong (or right)?

The creator got the saline call right. Using 0.9% normal saline for intranasal peptide delivery is a reasonable choice, and the concern about "back water" causing nasal burning reflects real pharmacological logic. The rolling and swirling technique for reconstitution is also appropriate. You do not vortex or shake lyophilized peptides aggressively. Credit where it's due. What's missing is more telling than what's wrong. There's no mention of sterility beyond wiping the vial top with alcohol. A single alcohol swipe is not the same as working in a sterile environment. There's no discussion of peptide stability after reconstitution in a 10 mL nasal bottle, storage conditions, or shelf life. Selank in particular degrades relatively quickly once reconstituted, a detail that matters if someone is planning to use that spray bottle over several weeks. The video also presents the process as casual and repeatable for anyone watching, which is a meaningful omission of the complexity involved in handling unregulated research compounds.

What should you actually know?

Semax and selank are not FDA-approved drugs. They are sold as research chemicals in the United States, which means quality, purity, and concentration are not verified by any regulatory body before they reach a consumer. The reconstitution method shown is technically reasonable for someone working with pharmaceutical-grade peptides in a controlled setting. It is not validated for the home environment being depicted here. Nasal delivery bypasses the blood-brain barrier more readily than other routes, which is why these compounds are often used intranasally, but that same efficiency means that dosing errors or contamination reach the central nervous system faster too. If you are working with a licensed telehealth provider who has prescribed a compounded peptide through a licensed compounding pharmacy, that pharmacy will provide reconstitution instructions specific to your product. Following a TikTok video is not a substitute for that chain of accountability. The science on both peptides is genuinely interesting. That doesn't make a 98K-view cooking metaphor the right preparation guide.