Ubiquinol in food supplements
136 supplements declared in France contain Ubiquinol as a substance or active ingredient.
Other names in the Compl'Alim list: ubiquinol.
Compl'Alim declarations. Compl'Alim, food supplement declarations (France), retrieved 23 October 2026.
What we know about this ingredient
No natural occurrence recorded in Wikidata (LOTUS database); this does not prove that the ingredient is synthetic.
Basis: one CosIngThe European Commission's database of cosmetic ingredients. CAS, with no natural occurrence recorded in this database.
Wikidata: names of substances in six languages and taxa in which they occur (largely from the LOTUS database), retrieved 23 October 2026.
Associated research
ClinicalTrials.gov · A trial is not proof: it tests a hypothesis.
- NCT07881601 : Effects of Ubiquinol and Ubiquinone on Vascular Function in Healthy Adults With Borderline High LDL-Cholesterol
ENROLLING_BY_INVITATION · NA · Borderline High LDL-cholesterol · 2026-10-26 · Ubiquinol
2026-11-01
Same substance in cosmetics: UBIQUINOL.
In plain words
À quoi il sert, selon les fabricants
Objectifs les plus souvent annoncés pour les compléments qui en contiennent (Ubiquinol) : antioxydant (24 produits), artères et cholestérol (11 produits), peau (10 produits), sport (10 produits), circulation sanguine et lymphatique (9 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.
Canada, licensed natural health products (LNHPD): 162 products.
Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks, retrieved 27 October 2026.
Contains information licensed under the Open Government Licence – Canada (Health Canada, LNHPD)
Licence du gouvernement ouvert – Canada 2.0 (OGL-Canada 2.0)
United States, supplement labels (DSLD; supplements need no prior approval): 176 products.
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.
Japan, notified foods with function claims: 152 products.
CAA, Japan Foods with Function Claims notifications, retrieved 27 October 2026.
Source : Agence de la consommation du Japon (CAA), https://www.fld.caa.go.jp/caaks/s/cssc01/. Données traitées par CompoAtlas à partir de l'export officiel ; cette présentation est celle de CompoAtlas et n'est pas publiée telle quelle par l'État japonais. Public Data License 1.0.
Public Data License 1.0 (公共データ利用規約 第1.0版), compatible CC BY 4.0
Malaysia, registered products: 51 products.
NPRA, Malaysian pharmaceutical products register, retrieved 27 October 2026.
Ministère de la santé de Malaisie / NPRA, Pharmaceutical Products, CC BY 4.0
Poland, notified supplements: 3 products.
GIS, products notified in Poland, retrieved 27 October 2026.
Główny Inspektorat Sanitarny (GIS), Rejestr produktów objętych powiadomieniem
Declared daily quantities
| Unit | Products | Median | Minimum | Maximum |
|---|---|---|---|---|
| mg | 5 | 100 | 50 | 500 |
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.
Official warnings (Health Canada)
UBIQUINOL
Route of administration: Oral
Cautions and warnings
All products
Ask a health care practitioner/health care provider/health care professional/doctor/physician before use if you are pregnant or breastfeeding.
Ask a health care practitioner/health care provider/health care professional/doctor/physician before use if you are taking blood pressure medication (Langsjoen and Langsjoen 2008; Rosenfeldt et al. 2007; Engelsen et al. 2003; Singh et al. 1999; Landbo and Almdal 1998; Spigset 1994).
Products providing more than 100 mg of Ubiquinol, per day
Ask a health care practitioner/health care provider/health care professional/doctor/physician before use if you are taking blood thinners (Langsjoen and Langsjoen 2008; Engelsen et al. 2003; Landbo and Almdal 1998; Spigset 1994).
Migraine prophylaxis/prevention
Ask a health care practitioner/health care provider/health care professional/doctor/physician if migraine frequency increases and associated nausea and vomiting persist or worsen.
Texts from the monograph of Health Canada, the Canadian authority, reproduced without modification. They do not replace medical advice.
Products
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