“Nerve-Restoring Berry” REVERSED Diabetes Damage

You might think it’s just pins and needles. A little tingling. A little numbness.

But for many seniors, that’s the first warning sign of something far more serious…

Diabetic neuropathy.

It’s what happens when rising blood sugar starts to eat away at your nerves—especially in your feet, where the damage is often permanent.

And while mainstream medicine will throw pain pills at the symptoms, they’ll be the first to tell you: “We can’t bring the feeling back.”

But a team of researchers just proved that wrong.

Because in a trial, a natural molecule from a berry helped seniors with diabetes regain lost sensation, lower their A1c, and even normalize blood pressure…

…with less than a gram per day.

The compound is called cGP—short for cyclic glycine-proline.

It’s a tiny peptide your body makes when it breaks down IGF-1, a growth and repair hormone. Think of IGF-1 as the engine… and cGP as the little messenger that tells it where to go, what to heal, and when to stop.

But if you have diabetes—especially type 2 with complications like high blood pressure or nerve damage—your body may be short on cGP.

And without it, those repair signals can get scrambled.

But in a recent human trial, researchers gave participants just 20 to 45 micrograms of cGP a day. (That’s a millionth of a gram—less than a grain of salt.)

And here’s what happened:

• Feeling returned to numb diabetic feet
• Blood sugar dropped (lower HbA1c)
• Blood pressure normalized

No prescriptions. No side effects. Just a natural molecule your body already knows how to use.

And it all started with blackcurrants—the richest natural source of cGP.

Here’s how to put it to work for you:

Add blackcurrants to your diet. They’re the richest known natural source of cGP. Try frozen blackcurrants in smoothies, or look for unsweetened juice.

Ask your provider about cGP supplements. Clinical trials used just 20–45 micrograms per day—the same dose found in cGP-PRO®, a supplement modeled after the blackcurrant form.

Support your body’s cGP production. Moderate exercise and adequate protein may help your body regulate IGF-1 and make more cGP on its own.

You were never supposed to heal from diabetic nerve damage.

But now, thanks to one overlooked messenger molecule… you might not just feel better—

You might start feeling again.

To a world you can feel again,

Rachel Mace
Managing Editorial Director, e-Alert
with contributions from the research team

P.S. Three habits that CUT diabetes risk 31%.

Sources:

• Guan, J., Li, Q., Xu, L., & Wang, Y. (2023). Cyclic glycine-proline (cGP) normalises insulin-like growth factor-1 (IGF-1) function: Clinical significance in the ageing brain and in age-related neurological conditions. Molecules, 28(3), 1021. https://doi.org/10.3390/molecules28031021
• Hu, L., Sharma, R., Li, X., Huang, W., & Guan, J. (2024). A concise review of cyclic glycine-proline (cGP). Pharmaceuticals, 17(1), 25. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11205142/
• ISRCTN Registry. (2025). Can a dietary supplement providing natural cGP (cyclic glycine-proline) complement the body’s own internal levels of cGP and help improve the metabolic health of people with type 2 diabetes, neuropathy, and hypertension? [ISRCTN84351085]. https://www.isrctn.com/ISRCTN84351085