GC Rieber VivoMega
GC Rieber VivoMega is a Norwegian omega-3 concentrate manufacturer located in Kristiansund, Norway, with roots dating to GC Rieber's founding in Bergen in 1879. VivoMega produces high-concentration omega-3 EPA and DHA in both ethyl ester and natural triglyceride forms, with total omega-3 content ranging from 70% to 90%. The company invested $75 million in a new state-of-the-art manufacturing facility that opened in May 2024, doubling production capacity. VivoMega also produces certified vegan EPA and DHA algal oils. Their products consistently meet or exceed GOED monograph standards and hold IFOS 5-Star certification. The company maintains a North America sales team.
Kristiansund, Norway
Directory Listing · Records Reviewed
Public records and independent sources have been reviewed.
What this means →- MOQMOQ (Minimum Order Quantity)The smallest production run a manufacturer will accept for an order.
- Not publicly disclosed
- LEAD TIMELead TimeThe time from order placement to finished product delivery.
- Not publicly disclosed
§1Editorial assessment
GC Rieber VivoMega is a Norwegian omega-3 concentrate manufacturer located in Kristiansund, Norway, with roots dating to GC Rieber's founding in Bergen in 1879. VivoMega produces high-concentration omega-3 EPA and DHA in both ethyl ester and natural triglyceride forms, with total omega-3 content ranging from 70% to 90%. The company invested $75 million in a new state-of-the-art manufacturing facility that opened in May 2024, doubling production capacity. VivoMega also produces certified vegan EPA and DHA algal oils. Their products consistently meet or exceed GOED monograph standards and hold IFOS 5-Star certification. The company maintains a North America sales team.
§2Our review
The six checks in our review, applied before any name appears in the directory. Each check is auto-derived from public evidence on this profile.
§3Inspection history
§4Certifications
Certification verification in progress. International supplier records require regional database lookups (EudraGMDP, Health Canada NHP, FSSC public register, JHFA directory). See our methodology.
§5Capability matrix
- PRODUCT TYPES
- Omega-3 EPA Concentrates · Omega-3 DHA Concentrates · Triglyceride-Form Omega-3 · Ethyl Ester Omega-3 · Vegan Algal Omega-3 (EPA & DHA)
- CAPABILITIES
- Omega-3 Concentration & Purification · Triglyceride and Ethyl Ester Production · Vegan Algal Oil Production · Custom EPA/DHA Ratio Formulation · IFOS 5-Star Quality · North America Sales Team
§6Sources
Dietary supplement manufacturers must comply with 21 CFR Part 111 (Current Good Manufacturing Practice for dietary supplements). This includes requirements for personnel, facilities, equipment, production, laboratory operations, and record-keeping.
What We Couldn't Verify
- Manufacturing in Kristiansund, Norway; on-site inspection was not conducted
- IFOS 5-Star claimed but not independently verified from IFOS consumer reports database
- Omega-3 specialist only. Does not supply other ingredient categories
- $75M facility expansion (May 2024) is recent. Long-term production consistency at the new capacity is not yet established
Last reviewed: April 2, 2026
Disclosures
- No material connection exists between Inventory Ready and this company
For the check-by-check breakdown that produces this vendor's score, see our scoring framework. The connection map between GC Rieber VivoMega and other vendors, capabilities, and certifications is in the manufacturer atlas.
Our Evaluation Method
Every manufacturer assessment follows six principles:
- Evidence: Claims backed by documentation, not marketing copy
- Freshness: Information reviewed and dated within the last 12 months
- Provenance: Sources cited for every key claim
- Challenge: Inconsistencies flagged, not hidden
- Disclosure: Material connections stated directly on affected listings
- Abstention: When we can't assess, we say so explicitly
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