This Peptide Could Solve $163 Billion Aging Problem

Nick NorwitzResearcher, MD, PhD21 minAug 2026376K views

Nick Norwitz explains the copper peptide GHK-Cu, from skin trials and gene-expression studies to his own six-week injection experiment, and discloses product and telemedicine promotions along the way.

Key moments

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  1. 0:00Why he injected a copper peptideNorwitz says he first dismissed GHK-Cu as an over-hyped wrinkle ingredient, then changed his mind and tried it himself. He previews skin trials and gene-expression research.
  2. 2:47What GHK-Cu is made ofHe describes it as three amino acids plus one copper atom, and says the binding gives it a blue color.
  3. 3:38Falling levels with ageNorwitz says levels drop from about 200 to about 80 nanograms per milliliter by the sixties. He cautions that this correlation does not prove one thing causes the other.
  4. 4:31The copper cage explainedHe says copper is essential but harmful when free, and that GHK acts as a cage that carries it safely into cells and opens in an acidic compartment.
  5. 7:26Skin and collagen trial resultsNorwitz cites a 2002 trial in 71 women and a 2023 trial reporting a 28% gain in collagen density. He also gives anecdotal reports of timing from people he knows.
  6. 10:43Avoid stacking with acidsHe says acidic products like vitamin C serums and glycolic acid can break the copper cage, and advises spacing them at least an hour apart.
  7. 11:21Diabetic foot ulcer trialNorwitz describes a randomized placebo-controlled trial of GHK-Cu gel in which he says wounds closed three times faster with about five times fewer infections.
  8. 12:23Gene-expression studies beyond skinHe covers lab work in emphysema lung cells and a colon cancer gene signature, and the claim that thousands of genes shift. He stresses these are not proof in living humans.
  9. 14:58His peptide stack and kneeNorwitz describes injecting a blend of GHK-Cu, BPC-157, TB500 and KPV, and says that after six weeks his old knee injury feels markedly better.

What the video says

Nick Norwitz presents GHK-Cu, a peptide made of three amino acids (glycine, histidine, lysine) bound to one copper atom. He says the body makes it naturally and that levels fall with age, from around 200 nanograms per milliliter in the twenties to about 80 by the sixties. He acknowledges that a matching decline in skin quality does not prove cause and effect.

The middle of the video is a mechanism explanation. Norwitz says copper is essential but dangerous when loose, and that the GHK portion works as a cage that carries copper safely until a cell releases it in an acidic compartment. He says the delivered copper supports collagen-building, antioxidant and mitochondrial energy systems. On skin, he cites placebo-controlled trials: a 2002 trial in 71 women over 12 weeks with thicker skin and fewer fine lines, and a 2023 trial reporting a 28% improvement in collagen density after three months. He also cites a multi-center placebo-controlled trial of GHK-Cu gel in diabetic foot ulcers, where he says wounds closed three times faster and infections were about five times lower. His one practical tip is to space copper peptide products at least an hour away from acidic skincare such as vitamin C or glycolic acid.

He then moves to what he calls the frontier. He describes lab gene-pattern analyses in emphysema lung tissue (127 genes) and colon cancer (a 54-gene signature), and claims that some genomic database analyses suggest GHK-Cu shifts thousands of genes, one estimate being 31% of the genome. He says plainly that these are not proof of benefit in living people.

The last third is personal. Norwitz describes injecting a blend of GHK-Cu, BPC-157, TB500 and KPV for six weeks, and says his old knee injury now lets him squat, jump and lunge without a sleeve. He calls this an early, anecdotal observation. The video also includes promotion of a topical product with a discount code and a telemedicine service he recommends, both of which the reader should weigh as sponsored or affiliated content.

On each compound

GHK-Cu2:47

Norwitz describes GHK-Cu as a naturally occurring copper-binding peptide that declines with age. He cites skin trials, a diabetic foot ulcer trial and lab gene-expression studies, and says injected use remains an early frontier.

See how your DNA reads GHK-Cu

BPC-15714:58

Norwitz says BPC-157 was part of the blend he injected and that it helps coordinate tissue repair and vascular recovery. He gives no study data for it in this video.

See how your DNA reads BPC-157

TB-50014:58

Norwitz says TB500 was in his blend and describes it as helping recruit and mobilize regenerative cells. He refers viewers to his newsletters for detail.

See how your DNA reads TB-500

KPV14:58

Norwitz says KPV was in his blend and describes it as helping calm inflammation. He does not go into evidence for it here.

See how your DNA reads KPV

What this video doesn’t settle

  • The knee improvement is one person's experience over six weeks, with no control group and a blend of four peptides, so GHK-Cu's role cannot be separated out.
  • The emphysema and colon cancer findings are lab gene-pattern studies, and Norwitz himself says they do not show benefit when GHK-Cu is injected in living people.
  • The 31% of the genome figure is described as an estimate from some database analyses, and the video does not explain how it was derived.

Questions this video answers

What is GHK-Cu and why does it decline with age?

Norwitz describes GHK-Cu as glycine, histidine and lysine bound to one copper atom, made naturally by the body. He says levels fall from around 200 ng/mL in the twenties to about 80 by the sixties, though he notes that does not prove the decline causes skin aging.

What human trials does Norwitz cite for GHK-Cu?

He cites a 2002 placebo-controlled trial in 71 women over 12 weeks, a 2023 trial reporting 28% better collagen density after three months, and a multi-center placebo-controlled trial of GHK-Cu gel in diabetic foot ulcers. He reports faster wound closure and fewer infections in that last trial.

Can you use GHK-Cu with vitamin C or acids?

Norwitz says acidic products such as vitamin C serums and glycolic acid can crack open the copper cage and release free copper. His suggestion is to space them at least an hour apart.

What did Norwitz experience injecting GHK-Cu with BPC-157, TB500 and KPV?

He says that after six weeks of injecting the blend, he could squat, jump and lunge without a compression sleeve on a knee that had bothered him for about 12 years. He calls it an early, anecdotal observation and says he has not run a marathon.

Does the video show GHK-Cu affects gene expression?

Norwitz describes lab analyses in emphysema lung cells and colon cancer signatures, and database estimates of thousands of genes or 31% of the genome shifting. He says these are gene-pattern experiments and not proof of treatment effects in living people.

Video by Nick Norwitz MD PhD on YouTube, embedded as published. The summary is written by PeptidesDNA from the video; every claim in it is the speaker’s. Not affiliated with or endorsed by the creator. Not medical advice.

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