NHK Laboratories
NHK Laboratories is a Santa Fe Springs, California dietary supplement contract manufacturer and packager founded in 1987. The company operates two state-of-the-art facilities and provides encapsulation, bottling, labeling, powder filling, formulation, and in-house testing services across capsules, tablets, and powders.
Santa Fe Springs, California
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
NHK Laboratories is a Santa Fe Springs, California dietary supplement contract manufacturer and packager founded in 1987. The company operates two state-of-the-art facilities and provides encapsulation, bottling, labeling, powder filling, formulation, and in-house testing services across capsules, tablets, and powders.
§2Six-gate readout
Six gates we apply before any name appears in the directory. Each gate is auto-derived from public evidence on this profile.
§3Inspection history
§4Certifications
0 of 7 certifications independently confirmed. What this means
§5Capability matrix
- PRODUCT TYPES
- Capsules · Tablets · Powders
- CAPABILITIES
- Encapsulation · Bottling · Labeling · Powder Filling · Custom Formulation · In-house Testing
- DOSAGE FORMS
- capsules · tablets · powders
§6Sources
- NHK Laboratories Official Website(2026-03-14)
- CCOF Directory Listing(2026-03-14)
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
- On-site facility inspection was not conducted
- Financial stability and insurance coverage were not assessed
- Cert claims (NPA GMP, NSF GMP, ISO 9001, CCOF Organic, QAI Organic, ISNA Halal) not all independently verified against issuing body directories at time of assessment
- Glassdoor employee reviews indicate internal culture concerns (2.0/5 avg); B2B client communication experience not separately assessed
Last reviewed: April 11, 2026
Disclosures
- No material connection exists between Inventory Ready and this manufacturer
For the gate-by-gate readout that produces this vendor's score, see our six-gate scoring readout. The connection map between NHK Laboratories 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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