Banner featuring OSTÉOCALM® GEL from Laboratoire Dielen, now available in a new 75-ml roll-on format—in addition to the classic tube—with a cooling effect.

collagen, skin, tissue, summer, marine collagen, natural

Laboratoire Dielen

Why Dielen?

Clinically proven health benefits
Find out more

Marine active ingredients patented by Dielen
Read more

A unique and innovative gastroprotective coating
Find out more

A synergy of action between nutrients
Read more

Quality sourcing with patented and certified ingredients
Read more

Why Dielen?

Our natural health products

Depending on your needs

Our products

DIELEN® COLLAGEN
- Skin and tissue health
- Low molecular weight marine collagen peptides
- Vitamins C & E
- Vitamin C contributes to normal collagen formation.
26,50€ INCL. VAT
DIELEN® COLLAGEN
26,50€ INCL. VAT Add to basket
quantity of DIELEN® COLLAGENE
OSTÉOCALM®
- Low molecular weight marine collagen peptides
- Vitamin C, D & Calcium
- Cartilage and bone maintenance
- Vitamin C contributes to normal collagen formation
- Vitamin D and calcium help maintain normal bone structure
Price range: $19.99 to $39.99 INCL. VAT
OSTÉOCALM®
Price range: $19.99 to $39.99 INCL. VAT Choice of options This product has several variations. Options can be selected on the product page.
quantity of OSTÉOCALM®
- - 30 tablets
  - 90 tablets
NUTRISSOME® SP
- Fast, long-lasting sleep*.
- Sublingual sustained-release tablet (SP)
- Night-time vitamin and trace element complex
- Melatonin helps reduce the time it takes to fall asleep.
18,90€ INCL. VAT
NUTRISSOME® SP
18,90€ INCL. VAT Add to basket
quantity of NUTRISSOME® SP
OSTÉOCALM® GEL
- Gel for external use
- Soothes & refreshes
- Local cold effect
- Very low molecular weight collagen peptides
- Available in 2 sizes to suit your needs
Price range: €13.80 to €14.80 INCL. VAT
OSTÉOCALM® GEL
Price range: €13.80 to €14.80 INCL. VAT Choice of options This product has several variations. Options can be selected on the product page.
quantity of OSTÉOCALM® GEL
- - Tube
  - Roll-on
MAGZEN®
- Anti-stress
- Anti-fatigue
- Relaxing
- Duo of bioavailable magnesium
18,90€ INCL. VAT
MAGZEN®
18,90€ INCL. VAT Add to basket
MAGZEN® quantity
MOLVAL®
- Cardiovascular health
- Lipid balance
- Compensates for dietary deficiencies in omega-3 EPA and DHA
- EPA and DHA contribute to normal heart function.
Price range: $22.99 to $39.99 INCL. VAT
MOLVAL®
Price range: $22.99 to $39.99 INCL. VAT Choice of options This product has several variations. Options can be selected on the product page.
quantity of MOLVAL®
- - 60 capsules
  - 120 capsules
DIELEN® D3+
- Combining vitamin D3 with its activating co-factor magnesium
- Vitamin D & magnesium help maintain normal bone structure
- Vitamin D & magnesium contribute to normal immune system function
15,90€ INCL. VAT
DIELEN® D3+
15,90€ INCL. VAT Add to basket
quantity of DIELEN® D3+
MÉMOZAN®
- Intellectual vitality - Cerebral capital
- Bioactive peptides + Omega-3 DHA + Multivitamins
- Omega-3 DHA contributes to normal brain function
- Vitamins B2, B5, B6 and B9 help reduce fatigue.
20,90€ INCL. VAT
MÉMOZAN®
20,90€ INCL. VAT Add to basket
quantity of MÉMOZAN®
MOLVAL FORT®
- Monacolin K + Omega-3 + Coenzyme Q10
- Lipid balance
Price range: $24.95 to $46.95 INCL. VAT
MOLVAL FORT®
Price range: $24.95 to $46.95 INCL. VAT Choice of options This product has several variations. Options can be selected on the product page.
MOLVAL FORT® quantity
- - 30 capsules
  - 90 capsules
DIELEN® PREGNANCY
- From the desire to conceive to the end of breastfeeding
- A formula based on a review of current scientific literature
30,00€ INCL. VAT
DIELEN® PREGNANCY
30,00€ INCL. VAT Add to basket
quantity of DIELEN® GROSSESSE

All our products

Gabolysat®

Promerim®

Gastro-protective film coating

Our marine assets & patents

Laboratoire Dielen is first and foremost a marine biotechnology laboratory. This has enabled us to develop patented natural active ingredients, protect our product formulas and conduct clinical studies on our products. This approach is unique in the world of dietary supplements.

Expertise and advice

Understanding acid-base balance: a pillar of our health

Fatigue, digestive discomfort, diffuse pain... What if...

Read the article

Optimal nutrition for athletes: a complete guide

The world of sport requires much more than just practice...

Read the article

Pain relief: when to use heat and when to use cold?

Do you know when to use hot or cold on a...

Read the article

Vegetable juices: why and how?

An orange carrot juice, a vitamin-rich green juice, a...

Read the article

How does memory work?

You forget a name, you remember a song, you...

Read the article

Inflammation: understanding this natural mechanism

Inflammation is a natural mechanism that is often...

Read the article

See all tips

They tell you about it

     
 
 
      Posted on Google  
   
   Sandra RENAUD 
 October 29, 2026
 
 
 Trustindex verifies that the original source of the review is Google. I'm very happy with this joint supplement. I can't say I'm completely pain-free, but I no longer have those aches when I wake up—the kind where it felt like my body was having a hard time getting going. It was recommended to me by my cousin, who's from the Cotentin region and was advised to take it by her doctor. I recommend it.
  
 
     Posted on Google  
   
   Christian Delamare 
 September 25, 2026
 
 
 Trustindex verifies that the original source of the review is Google. An excellent product that has greatly reduced my joint pain. Thank you, Mr. Noël.
  
 
     Posted on Google  
   
   ANNIE S 
 September 11, 2026
 
 
 Trustindex verifies that the original source of the review is Google. Two years ago, I was having trouble walking and climbing stairs. I took a course of Osteocalm, which provided me with tremendous relief. Since then, I've been taking a 3-month course once a year.
  
 
     Posted on Google  
   
   Delphine Moytier 
 September 9, 2026
 
 
 Trustindex verifies that the original source of the review is Google. +0
I've been a Dielen customer since the beginning of my pregnancy. I take the pregnancy capsules and the magnesium capsules—great products that my doctors have approved!
  
 
     Posted on Google  
   
   Nicole RUBIE DERSIGNY 
 September 7, 2026
 
 
 Trustindex verifies that the original source of the review is Google. I like this product, and it meets my expectations.
  
 
     Posted on Google  
   
   Ginette Helias 
 August 31, 2026
 
 
 Trustindex verifies that the original source of the review is Google. Prompt response to the order. Fast delivery.
  
 
     Posted on Google  
   
   Dany Giroult 
 August 23, 2026
 
 
 Trustindex verifies that the original source of the review is Google. I've been taking Osteopath for about three years now—one tablet in the morning. It's simple: my knees don't hurt as much, even though I supposedly have no cartilage left. I hope it lasts.
  
 
     Posted on Google  
   
   Alexandre Par. 
 August 13, 2026
 
 
 Trustindex verifies that the original source of the review is Google. Magzen is an excellent magnesium supplement
  
 
     Posted on Google  
   
   Bruno ARLAUD 
 July 31, 2026
 
 
 Trustindex verifies that the original source of the review is Google. OSTEOCALM: The reduction in knee and finger pain continues when taking 1 and 2 tablets per day alternately.
  
 
     Posted on Google  
   
   Louise Thueux 
 May 21, 2026
 
 
 Trustindex verifies that the original source of the review is Google. Great products! Especially the marine collagen, which I take every day!
  
 
 
  
 
 
   Verified by Trustindex  The Trustindex Verified Badge is the universal symbol of trust. Only the top companies with a review score above 4.5—based on customer reviews over the past 12 months—are eligible for the Verified Badge. Read more