Generic Tamoxifen contains the same active molecule as Nolvadex and must demonstrate bioequivalence to be approved. The difference between a good and a bad generic lies in the manufacturer, not the molecule.
Key takeaways
- Bioequivalence means the generic delivers the same exposure within accepted limits.
- GMP status and batch documentation are the real quality signals.
- Generic Tamoxifen is available across 10 mg, 20 mg.
- A batch-specific certificate of analysis should always be available on request.
How to audit a manufacturer
- 1
Confirm GMP certification
Verify a current WHO-GMP or equivalent certificate and its scope covers this dosage form.
- 2
Review the CoA
Check assay, dissolution, related substances and microbiological limits against the specification.
- 3
Check stability data
Confirm the shelf life is supported for storage below 30 °C, protect from light.
- 4
Test the supply chain
Trace batch numbers from the manufacturer through to your receiving dock.
Brand vs quality generic
| Factor | Nolvadex | Generic Tamoxifen |
|---|---|---|
| Active ingredient | Tamoxifen | Tamoxifen |
| Strengths | 10 mg, 20 mg | 10 mg, 20 mg |
| Regulatory basis | Full dossier | Bioequivalence to the reference product |
| Cost | Premium | Substantially lower landed cost |
| Documentation | Manufacturer pack | CoA, GMP certificate, stability data |
What we supply
ShiningRX sources generic Tamoxifen only from audited, licensed manufacturing partners, and supplies full documentation with every consignment for film-coated tablet presentations.
Tamoxifen at a glance
| Attribute | Detail |
|---|---|
| Drug class | selective oestrogen receptor modulator |
| Common brand | Nolvadex |
| Licensed use | breast cancer treatment and risk reduction |
| Available strengths | 10 mg, 20 mg |
| Dosage form | film-coated tablet |
| Typical onset | biological effect immediate; recurrence benefit accrues over years |
| Duration / dosing interval | 24-hour dosing |
| Storage | below 30 °C, protect from light |