Nacre in food supplements
77 supplements declared in France contain Nacre as a substance or active ingredient.
Other names in the Compl'Alim list: Mother-of-pearl.
Compl'Alim declarations. Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What we know about this ingredient
Associated research
ClinicalTrials.gov · A trial is not proof: it tests a hypothesis.
- NCT05571514 : Study of the Impact of Mother-of-pearl Nutritional Supplementation on the Prevention of Post-menopausal Osteoporosis
RECRUITING · NA · Post Menopausal Osteoporosis · 2026-10-02 · Mother-of-pearl
2026-11-01
In plain words
À quoi il sert, selon les fabricants
Objectifs les plus souvent annoncés pour les compléments qui en contiennent (Nacre) : os (27 produits), peau (14 produits), articulations (11 produits), sommeil (8 produits), système nerveux (7 produits).
Ce sont les objectifs déclarés par les fabricants à l'administration, pas des effets démontrés. Sur l'emballage, seules les allégations de santé autorisées par l'Union peuvent être écrites.
Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What the registers say, country by country
Each line repeats what an official register says on the date it was consulted. Not being in a register means neither allowed nor banned.
Compl'Alim ingredient list (France): listed.
Compl'Alim, reference list of ingredients, retrieved 21 October 2026.
United States, supplement labels (DSLD; supplements need no prior approval): 1 product.
Dietary Supplement Label Database (DSLD), US National Institutes of Health: current and off-market labels, retrieved 27 October 2026.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (CC0); US market labels.
Declared daily quantities
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 7 | 800 | 266 | 1,200 |
Calculated from Compl'Alim declarations that provide a quantity. These are quantities declared by manufacturers, not measurements, and preparation is not distinguished (powder, extract of varying concentration): differences between products can be very large.
Products
- Poudre de perle Calebasse verte, gélule, declared in 2020
- Poudre de perle Calebasse verte, poudre, declared in 2020
- Poudre de perle 250mg gélule, declared in 2020
- Poudre de perle extra fine santerel, gélule, declared in 2026
- Re.Nacre Phytocea, compte-gouttes, declared in 2022
- Slim Nacre gélule, declared in 2019
- Symbi'Os Ostrealia, comprimé, flavour orange, declared in 2018
- Zhen zhu fen Calebasse verte, gélule, declared in 2019
- Zhen zhu fen Calebasse verte, poudre, declared in 2020
- Zhen zhu fen jiao nang Calebasse verte, gélule, declared in 2020
- poudre de perle Laboratoire Divine, gélule, declared in 2024
- OSTEO-NAT BIONOPS, comprimé, withdrawn from the market
- OSTEOREL Laboratoire Santarel, autre : comprimés et gélules, withdrawn from the market
- Ostéorel Laboratoire Santarel, autre : la portion journalière recommandée de ce produit est composée de 2 gélules et 1 comprimé, withdrawn from the market
- Ostéorel Laboratoire Santarel, autre : la portion journalière recommandée de ce produit est composée de 2 gélules et 1 comprimé, withdrawn from the market
- Zhen zhu an chuang wan poudre, withdrawn from the market
- Zhen zhu an chuang wan gélule, withdrawn from the market