Can we fight cancer better with the power of nature?
According to researcher and cannabis expert Peter Vermeul , founder of CBD Spain , the answer is increasingly yes — provided you use the right plant extracts .

In his latest scientific publication, Vermeul investigates an intriguing question: can cannabinoids, especially the acidic forms such as CBDa and THCa , not only mitigate the side effects of chemotherapy, but also enhance its effects?

The answer: a resounding yes — and the science backs it up.

Why chemotherapy could use some help

Chemotherapy remains one of the most widely used weapons against cancer. But it's a blunt axe: it destroys not only tumor cells, but also healthy, rapidly dividing cells. The result? Well-known side effects such as:

• Nausea and vomiting

• Fatigue

• Hair loss

• Reduced resistance

• Sleep disorders and mood swings

What if we could limit this damage without undermining the effectiveness of chemotherapy? Or even better—what if we could make chemotherapy more effective with natural support?

Cannabinoids: Not a substitute, but a smart ally

While pharmaceuticals often operate in a one-way street, cannabinoids work through the endocannabinoid system (ECS) : a biological regulatory system that keeps the body and mind in balance. This system plays a role in:

• Inflammations

• Cell division and apoptosis (programmed cell death)

• Oxidative stress

• Immune function

• Gene expression

Cannabinoids such as CBDa, THCa, CBGa , and cannflavins influence this system in an intelligent, regulatory way . This allows:

• Are tumor cells becoming more sensitive to chemo?

• Are healthy cells protected?

• Is the immune system supported and restored?

Science: Plant extracts enhance chemotherapy

What makes Peter Vermeul's research special is that it looks beyond just CBD and THC. It's precisely the lesser-known compounds —such as cannabinoid acids, flavonoids, and terpenes—that prove crucial. They:

• Inhibit inflammatory enzymes such as COX-2 up to 30x more powerfully than aspirin

• Limit oxidative damage

• Stimulate apoptosis in tumor cells

• Preventing chemoresistance by inhibiting transport proteins such as P-glycoprotein

In other words, cannabinoids make chemotherapy smarter.

Protection of healthy cells: a unique property

Perhaps most groundbreaking is that cannabinoids appear to protect healthy cells , while making tumor cells more vulnerable. This isn't magic; it's the power of a natural regulatory system focused on balance—not destruction.

In practice, this protective effect leads to:

• Fewer side effects (nausea, pain, fatigue)

• Faster recovery between chemotherapy treatments

• Better appetite and mood

• Improved sleep quality

• Fewer secondary infections

And all this without high doses , as long as we are dealing with high-quality, whole plant extracts.

⚠️ Please note: not every “CBD oil” does this

Most commercial "full-spectrum" CBD products lack precisely those essential components: the acidic cannabinoids, flavonoids, and terpenes . These substances are:

• Sensitive to heat, light and oxidation

• Difficult to extract

• Often absent in standard products

That's why CBD Spain — which we at CBD & Herb work with exclusively — uses unique extraction methods that preserve the full potency of the plant .

Read the full scientific article

In the extensive article by Peter Vermeul you can read:

• How Cannabinoids Support Chemotherapy at the Molecular Level

• Which extracts work (and which don't)

• Practical experiences of patients

• Why this combination deserves more clinical research

Read the full article here:

👉 Cannabinoids and Chemotherapy for Prostate Cancer - pdf NL

👉 Cannabinoids and Chemotherapy in Prostate cancer - pdf En

CBD & Herb: for those who want to look beyond superficial CBD trends

At CBD & Herb, we strive for true plant power. No hype, just solid science. That's why we've gathered all of Peter Vermeul's research and insights in one place.

Are you a doctor, therapist or patient and do you want to know what a full-fledged plant extract can really do during cancer treatment?
Then delve further into the world of cannabinoids on our science page .