The company behind Rivura Strength
SILVESTAR GRINYON is a Bulgarian sole trader focused on a single proposition: one well-made daily food supplement, sold transparently, delivered with payment at the door.
Straightforward by design
We sell one product - Rivura Strength. Not a range, not a subscription, not a bundle. Our focus is on making that one product as clear and accessible as possible: an honest ingredient list, a simple ordering process, and delivery that doesn't ask you to trust us with your card number before you've seen the product.
Rivura Strength is manufactured in EU-certified facilities to current Good Manufacturing Practice (cGMP) standards. We supply the full ingredient list, dosage table and % NRV on this website - not buried in a PDF, but on the composition page where you can read it before you order.
What Rivura Strength is - and what it is not
What it is
- A food supplement for adults
- A convenient daily routine addition - one capsule with a meal
- A source of 7 nutrients contributing to normal metabolic and physiological functions, as recognised under EU Regulation (EC) No 1924/2006
- Manufactured to cGMP standards in EU-certified facilities
- Sold on a pay-on-delivery basis with a 14-day return window
What it is not
- Not a medicine
- Not a treatment or cure for any condition
- Not a substitute for a varied and balanced diet
- Not a replacement for medical advice
- Not suitable as the sole source of any nutrient
Company information
SILVESTAR GRINYON
Sole trader (individual)
Bulgaria
G. M. Dimitrov Blvd 59
1797 Sofia
Bulgaria
+44 20 7946 0318
Mon-Fri: 09:00-17:00