What did @cristina.noh actually say?
The creator recommended a specific online source where viewers can purchase injectable peptide stacks, shipped directly to their homes, without a prescription or in-person medical evaluation. She described two pre-configured options: a "glow stack" combining GHK-Cu, TB-500, and BPC-157, and an anti-aging stack combining MOTC, Epithalon, and GHK-Cu. She also provided a personal discount code, "Kristina 10," while claiming she receives no commission. This is direct-to-consumer promotion of injectable, unregulated compounds to a 156,000-person audience.
To her credit, she did acknowledge the broader peptide influencer ecosystem, noting that some companies offer "30, 40% commissions" and expressing discomfort with that model for injectable products. That's a reasonable instinct. But providing a discount code tied to your name while claiming no commission relationship is a contradiction worth naming plainly.
Does the science back this up?
Some of it, partially, in contexts that look nothing like a home injection kit ordered online. The peptides mentioned have real research behind them, but almost none of that research involves human clinical trials at scale, and essentially none of it supports unsupervised self-injection by consumers who found a TikTok video.
GHK-Cu (copper peptide) has legitimate research interest in wound healing and skin remodeling. Pickart and Margolina (2018, Cosmetics) reviewed its role in collagen synthesis and tissue repair, noting meaningful effects in vitro and in animal models. BPC-157 has shown promising results in rodent models for gastrointestinal repair and tendon healing (Sikiric et al., 2018, Current Neuropharmacology), but human randomized controlled trials are essentially nonexistent. TB-500, a synthetic fragment of thymosin beta-4, has anti-inflammatory and tissue-repair properties studied primarily in animals (Goldstein et al., 2012, Annals of the New York Academy of Sciences). Epithalon (epithalamin) has some Russian-origin research on telomere extension and aging, but peer-reviewed Western validation is sparse. MOTC appears to be a branded compound name, not a recognized peptide in the indexed scientific literature.
What did they get wrong (or right)?
The creator got a few things directionally right. GHK-Cu does have skin-relevant research. The combination of BPC-157 and TB-500 is commonly called the "Wolverine stack" in peptide communities, and the individual compounds do have overlapping tissue-repair mechanisms, at least in animal studies. Calling Epithalon a cellular anti-aging peptide is loosely consistent with the research framing, even if that research is not robust.
What she got wrong, or at minimum failed to disclose: these compounds are not FDA-approved for the indications she describes. The FDA has taken action against compounded peptides, including BPC-157, which was placed on a list of bulk drug substances that may not be compounded under section 503A and 503B as of 2023. Shipping injectable compounds directly to consumers without a legitimate prescriber-patient relationship raises serious legal and safety questions. There is no discussion of sterility, dosing risk, infection risk, or contraindications. Calling a med spa owner a "reputable medical director" does not substitute for a prescribing physician who knows the patient.
What should you actually know?
If you are genuinely curious about peptide therapy, the right pathway is a licensed prescriber who evaluates your bloodwork, medical history, and goals before recommending anything injectable. That is not gatekeeping. That is basic harm reduction for compounds that can cause injection site infections, immune reactions, and unknown long-term effects.
The FDA's 2023 guidance on compounded peptides is not a minor footnote. It reflects real regulatory concern about the quality and safety of these substances when produced outside of controlled pharmaceutical manufacturing. Buying injectables from a website because someone on TikTok gave you a discount code is not equivalent to receiving a compounded medication from a licensed 503A pharmacy under a physician's supervision.
The "glow peptide" framing is also doing a lot of marketing work here. GHK-Cu applied topically has a reasonable cosmetic evidence base. Injecting it systemically for skin glow is a different claim with a much thinner evidence base. The leap from "this peptide affects collagen in lab studies" to "inject this at home for glowing skin" is large, and no single TikTok video, however well-intentioned, bridges it responsibly.