Label Claims & Testing

Active Ingredients

Signal

NMN (β nicotinamide mononucleotide)
Internal Specifications

≥ 250mg/2 Capsules
Results*

Conforms to internal specs

Honokiol (from Magnolia officinalis [bark]), Grape Vine (Vitis vinifera) Extract (Standardized to Viniferin)
Internal Specifications

≥ 150mg/2 Capsules
Results*

Conforms to internal specs

Quality Testing

Signal

Heavy Metals

ICP-MS
Internal Specifications

≤ 0.5 ppm
Results*

Conforms to internal specs

Total Plate Count Micro
Internal Specifications

≤ 1,000 CFU/g
Results*

Conforms to internal specs

Yeast and Mold Micro
Internal Specifications

≤ 100 CFU/g
Results*

Conforms to internal specs

Objectionable USP Organisms Micro
Internal Specifications

Absent
Results*

Conforms to internal specs

In our continued effort to deliver the highest quality product possible, we have set internal guidelines that meet or exceed ICH/USP guidelines.
Signal is NSF Certified for Sport. Please confirm the certification of each lot here.
*As confirmed by a third-party testing lab.

Previous Lots

Signal

#M214-01

Exp. 09/2026

#M153-01

Exp. 07/2026

#M100-01

Manuf. 05/2026

#M074-01

Manuf. 04/2024

#M040-01

Manuf. 02/2024

#L284-01

Manuf. 12/2023

#L235-01

Manuf. 10/2023

#L191-01

Manuf. 08/2023

#L137-01

Manuf. 06/2023

#L067-01

Manuf. 04/2023

#L003

Manuf. 01/2023

#1261-2260

Manuf. 10/2022

#1531-2240

Manuf. 08/2022

#K128

Manuf. 06/2022

#PM252

Manuf. 06/2022

#1201-2220

Manuf. 04/2022

#1781-2230

Manuf. 04/2022

#1661-1290

Manuf. 12/2021