ThyroLife Optima
En vente sur le marché américain (selon le DSLD)
Douglas Laboratories, food supplement from the US market
ThyroLife Optima (Douglas Laboratories), a food supplement au code-barres 310539038802, is described by its US market label, recorded on 25 March 2014. If sold in France, it would be subject to 5 points of French or European regulation, detailed below. Doses of folates, niacine, vitamine A are not compared: their US units depend on the form. The formula sold in Europe under the same name may differ.
Official label, entered on 25 March 2014. 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.
Displayed label: Official label. Labels on the market are prioritised, followed by the most recent for the same status.
If this product were sold in France
- Dose déclarée au-delà d'une limite
Vitamine C: up to 500 mg a day according to the label (at most 1 serving a day), above the maximum dose of 180 mg set in France for a food supplement (2006 Order, not revised since November 2006).
Source: French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), arrêté du 9 mai 2006, annexe III.
- Dose déclarée au-delà d'une limite
Vitamine D: up to 25 µg a day according to the label (at most 1 serving a day), above the maximum dose of 5 µg set in France for a food supplement (2006 Order, not revised since November 2006).
Source: French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), arrêté du 9 mai 2006, annexe III.
- Dose déclarée au-delà d'une limite
Vitamine B6: up to 100 mg a day according to the label (at most 1 serving a day), above the maximum dose of 2 mg set in France for a food supplement (2006 Order, not revised since November 2006).
Source: French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), arrêté du 9 mai 2006, annexe III.
- Dose déclarée au-delà d'une limite
Sélénium: up to 100 µg a day according to the label (at most 1 serving a day), above the maximum dose of 50 µg set in France for a food supplement (2006 Order, not revised since November 2006).
Source: French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), arrêté du 9 mai 2006, annexe III.
- Dose déclarée au-delà d'une limite
Chrome: up to 100 µg a day according to the label (at most 1 serving a day), above the maximum dose of 25 µg set in France for a food supplement (2006 Order, not revised since November 2006).
Source: French orders of 9 May 2006 and 14 November 2006 as published in the Official Journal (maximum daily doses), arrêté du 9 mai 2006, annexe III.
- À vérifier
Vitamine B6: up to 100 mg a day according to the label, above the limite de sécurité from EFSAEuropean Food Safety Authority. for adults (12 mg a day). Le repère de l'EFSA porte sur l'apport total d'une journée, alimentation et compléments.
Source: EFSA, Overview on Tolerable Upper Intake Levels (version 11, August 2025), limite supérieure de sécurité (UL).
A daily dose is calculated only if the label gives the maximum number of servings and a unit of mass (or international units for vitamin D). Quantities come from the label, not an analysis. In the United States, the label presents this product as a ‘dietary supplement’; in France, a product of this type may belong to another category (a sports powder, for example), and maximum food supplement doses do not apply to it.
Label composition
- Brand
- Douglas Laboratories
- Barcode
- 310539038802
- Form
- Capsule
- One serving
- 3 vegetarian capsules
- Servings
- up to 1 serving per day
- Other ingredients (in English, as written)
- Hydroxypropyl Methylcellulose, Cellulose, Vegetable Stearate, Silica
| Ingredient (as written, in English) | Category | Per serving |
|---|---|---|
| Vitamin A | Vitamin | 2,500 UI |
| Vitamin C | Vitamin | 500 mg |
| Vitamin D3 | Vitamin | 1,000 UI |
| Vitamin E | Vitamin | 200 UI |
| Thiamine | Vitamin | 25 mg |
| Riboflavin | Vitamin | 25 mg |
| Niacin | Vitamin | 15 mg |
| Vitamin B6 | Vitamin | 100 mg |
| Folate | Vitamin | 400 µg |
| Vitamin B12 | Vitamin | 75 µg |
| Biotin | Vitamin | 250 µg |
| Pantothenic Acid | Vitamin | 40 mg |
| Iodine | Mineral | 120 µg |
| Magnesium | Mineral | 200 mg |
| Zinc | Mineral | 15 mg |
| Selenium | Mineral | 100 µg |
| Copper | Mineral | 200 µg |
| Manganese | Mineral | 1.5 mg |
| Chromium | Mineral | 100 µg |
| Molybdenum | Mineral | 40 µg |
| L-Taurine | Other substance | 100 mg |
| Spirulina | Plant | 100 mg |
| Rhodiola rosea Extract | Plant | 75 mg |
| Quercetin | Other substance | 50 mg |
| Panax ginseng (Panax ginseng) | Plant | 40 mg |
| L-Glutathione | Other substance | 40 mg |
| Alpha-Lipoic Acid | Other substance | 40 mg |
| Inositol | Other substance | 40 mg |
| PABA | Other substance | 20 mg |
| L-Glutamic Acid | Amino acid | 15 mg |
| Lycopene | Other substance | 2 mg |
| Vanadium | Mineral | 25 µg |
| Lactobacillus acidophilus | Micro-organism | 1,000,000,000 CFU |
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.
Source
This information reproduces the US label recorded by the US National Institutes of Health (NIH). It does not say whether the product is effective and does not replace advice from a doctor or pharmacist, particularly during pregnancy or when taking medication.
List declared on (register: Dietary Supplement Label Database (DSLD), US National Institutes of Health: current and off-market labels).
List recorded in 2014. Photograph the packaging to check whether it has changed. Photograph the packaging
Brand : Douglas Laboratories