The U.S. Army Combat Feeding Division seeks outsourced chemical nutrient analysis for food ingredients and ration components, with primary analytes including selenium, vitamin B12, and total dietary fiber, and results/reports due within 14 calendar days of sample receipt. The single-award IDIQ firm-fixed-price contract has a $5,000 minimum guarantee and $25,000 ceiling, anticipated from 01 November 2026 through 31 October 2027, with samples shipped from Natick, MA 01760. Offerors must have in-house capacity, active ISO/IEC 17025 accreditation covering the requested tests, validated industry-standard methods, documented chain of custody, and a point of contact able to resolve issues within 24 hours. Remaining homogenized samples must be retained for at least 30 days after final report delivery and then disposed of per local environmental regulations at no extra cost. Award will be Lowest Price Technically Acceptable based on technical capability, price, and past performance; this is full and open competition, not a small business set-aside, and SAM registration is required.