EU authorised claims
Zinc and chromium
Authorised EU health claims: zinc contributes to normal carbohydrate metabolism; chromium contributes to the maintenance of normal blood glucose levels.
Commission Regulation (EU) No 432/2012View source ↗
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INGREDIENT RESEARCH* · PLANT-BASED · MADE IN THE EU
Your body isn't slowing down. It's running on empty.
Ten plant and mineral actives — including zinc and chromium for normal carbohydrate metabolism. One capsule, every morning. Designed for how your body works today.
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“Steady energy, without the jitters.”
Margaret D., 57- Customer testimonial
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THE STORY
try corevalin today
Before big companies told you this feeling was normal — plants already had the answer.
For thousands of years, the plants that support a healthy metabolism weren't in a capsule. They were part of everyday life.
Berberine from the root of Berberis aristata — used in Ayurvedic medicine for centuries. Banaba leaf tea, brewed across Southeast Asia. Korean ginseng, one of the most prized botanicals of the ancient world. Resveratrol in every Mediterranean grape. These weren't wellness trends. They were the daily nutritional foundation that kept blood sugar steady and metabolism going.
Because big companies changed the way we eat — then sold us the solution to the problem they created.
They engineered ultra-processed foods that spike blood sugar and push out the botanicals your metabolism depends on.
At Corevalin, we went back to plants.
Ten plant and mineral actives. One precise daily formula.
OUR CONVICTION
The plants your body has always known how to use are the foundation of real metabolic health.
Your metabolism doesn't need a stimulant. It doesn't need an extreme diet or a synthetic compound it has never encountered. It needs the botanical actives that have been part of human nutrition for centuries.
Chromium contributes to the maintenance of normal blood glucose levels. Zinc contributes to normal carbohydrate metabolism. Both are in every Corevalin capsule.
These aren't new discoveries. They're old truths, finally brought together in one formula.
try corevalin todayWhat should I expect with Corevalin?
Changes are gradual. And they build.
Week 1Chromium and zinc begin to support carbohydrate metabolism. You may notice a steadier morning.
1 monthSome people describe steadier energy through the day as the routine settles in. Individual experiences vary.
2 monthsThe daily habit becomes second nature, as part of a balanced lifestyle.
3 monthsThe actives build up with consistent use. A steady morning routine becomes your new baseline.
6 monthsOngoing daily support as part of a balanced lifestyle. You may simply notice you feel like yourself again.
SIMPLE 3-STEP ROUTINE
Corevalin takes 30 seconds a day.
01
Take one capsule with breakfast.
Taking it with food supports absorption and anchors the routine.
02
Every morning. No exceptions.
Consistency is how the formula works. The botanicals build up over time.
03
Watch for changes after week 3.
Consistency is what matters. Give it 3 months of daily use, then see how you feel.
Here's why we hand-picked these actives
Getting these botanicals from food alone would take far more than is realistic. Every day. Forever.
Chromium
125% EU NRV per capsule
Naturally found in broccoli
Berberine
50mg (97% pure extract)
Naturally found in barberry root
Resveratrol
Standardized polyphenol extract
Naturally found in grape skins
Korean ginseng
Standardized to 20% ginsenosides
A traditional root, used for centuries
Green tea extract
Standardized to 50% EGCG
Naturally found in tea leaves
Alpha-Lipoic Acid
50mg of plant origin per capsule
Naturally found in spinach
Helen shared Corevalin with her friends. Here's what they said.
I'd been telling everyone about it for weeks. My book club, my doctor, my daughters. If it suited me so well, I thought other women might benefit from it too.
Erica T., 30
Washington, USA
"I was skeptical at first, but this morning routine really suits me. I feel good day to day."
Customer testimonial
Linda M., 54
Manchester, UK
"No miracle pill — just a steady routine. Exactly what I was looking for after years of overblown promises."
Customer testimonial
Susan K., 61
Berlin, DE
"Calm, daily, clean — exactly what I wanted from a supplement at this stage of life."
Customer testimonial
MARTHA'S STORY
try corevalin today
Martha says she came up with Corevalin because she needed it herself.
For much of her forties, she felt she was slowly losing something she couldn't name. Nothing dramatic — just something different.
She describes energy that was no longer what it was in her thirties, weight that shifted despite eating the same, and afternoons, between 3 and 5 pm, that felt like moving through fog.
She explains she consulted several healthcare professionals, who told her this change is common at her age. She chose to keep looking for the habits that suited her.
Among what she says she tried:
Multivitamins · Greens powders · Intermittent fasting · Low-carb · Mediterranean diet · B vitamins · Probiotics · Magnesium
She then asked why these plants weren't brought together in one formula. That's how Corevalin was born: not out of a wish to start a supplement company, but because she needed it herself, and suspected she wasn't the only one.
For Martha, feeling this way isn't necessarily inevitable, and everyone can explore what suits them.
Ten plant and mineral actives. One precise daily formula.
WHAT'S IN COREVALIN
What's in each Corevalin capsule
Two layers. One formula. A botanical layer rooted in centuries of European herbal tradition.
- 1
Zinc (5mg)
Contributes to normal carbohydrate metabolism, normal immune system function and the maintenance of normal skin.
- 2
Chromium (50 μg)
Contributes to the maintenance of normal blood glucose levels and to normal macronutrient metabolism.
- 3
Green tea extract (75 mg)
Polyphenol-rich extract that supports healthy energy metabolism*
- 4
Milk thistle extract (50 mg)
Traditional plant extract that supports liver wellness*
- 5
Berberine HCl (50 mg)
Supports healthy glucose metabolism and helps maintain insulin sensitivity.
- 6
Alpha-Lipoic Acid
Antioxidant that supports healthy glucose metabolism and nerve health*
- 7
Resveratrol
Polyphenol antioxidant that supports heart health and healthy aging*
- 8
Korean ginseng (standardized to 20% ginsenosides)
Traditionally used extract that supports energy and vitality*
- 9
Banaba leaf extract
Traditional leaf extract that supports healthy blood sugar balance*
- 10
Cayenne pepper
Capsaicin-rich pepper that supports energy balance*
Frequently asked questions
How long does it take to notice a difference?
Individual experiences may vary. Corevalin is designed to fit into a daily routine — one capsule with breakfast, taken consistently as part of a balanced lifestyle.
Will Corevalin work for me, whatever my expectations?
Corevalin is a dietary supplement containing zinc, chromium and plant extracts. It is not a medicine and cannot treat, cure or prevent any disease. Individual experiences may vary.
Are there any side effects?
Corevalin is a dietary supplement made with plant extracts and minerals, designed for adults, with no artificial fillers or stimulants. Please follow the suggested dose. If you are pregnant, breastfeeding, taking medication or under medical supervision, consult your doctor before starting.
Can I take Corevalin with other supplements or medications?
If you take medication or have a pre-existing medical condition, it's best to consult your healthcare professional before adding a new supplement to your routine.
How should I take Corevalin?
Take one vegan capsule a day with breakfast, as part of a balanced lifestyle. Do not exceed the recommended daily dose.
Is it safe for long-term use?
Corevalin is made of plant actives and minerals and can be taken as directed for ongoing support. If you have questions about long-term use, consult a healthcare professional for personalized advice.
Is Corevalin vegan?
Yes. Corevalin uses a vegan hypromellose capsule of plant origin, with plant actives and no animal-derived ingredients.
INGREDIENT RESEARCH*
The research behind the ingredients
The references below concern individual ingredients, not studies conducted on Corevalin itself. Results may vary.
Berberine
Umbrella review of 11 meta-analyses of randomized trials covering blood glucose, insulin resistance and blood lipids. The authors call for higher-quality trials.
Phytotherapy Research, 2023View source ↗
Green tea extract
Meta-analysis of catechin-rich teas and caffeine and their effect on 24-hour energy expenditure and fat oxidation.
Hursel et al., Obesity Reviews, 2011View source ↗
Banaba
Review of the efficacy and safety of banaba and corosolic acid, including effects on glucose and lipid metabolism.
Phytotherapy Research, 2012View source ↗
Milk thistle
Systematic review and dose-response meta-analysis of silymarin supplementation on liver and kidney function markers.
PubMed 38475999View source ↗
Korean ginseng
Meta-analysis of ginseng supplements on fatigue and physical performance.
Journal of Korean Medical Science, 2016View source ↗
Cayenne pepper
Critical review and meta-analyses of human studies on capsaicin, capsiate and energy balance.
PubMed 22038945View source ↗