Price: $20.82
(as of Dec 23, 2025 11:57:53 UTC – Details)

Mental Alertness* Sustained Release Caffeine With B Vitamins NOW® Sports Sustained Energy is formulated to supply the nutrients you need to promote sustained energy production and mental alertness.* With a complement of B vitamins and other cofactors such as chromium, magnesium malate and carnitine, Sustained Energy delivers what your cells need most to drive energy production.* This product also has tyrosine and iodine to support optimal thyroid function, plus a blend of immediate and sustained release caffeine to get you going and keep you going.* This product has approx. 120 mg of immediate and sustained release caffeine per serving (equivalent to about 1 1/4 cups of coffee).
Product Dimensions ‏ : ‎ 4.45 x 2.5 x 2.5 inches; 4.16 ounces
Item model number ‏ : ‎ 1995
Date First Available ‏ : ‎ August 24, 2023
Manufacturer ‏ : ‎ NOW
ASIN ‏ : ‎ B0CGJJBLD7
Best Sellers Rank: #82,892 in Health & Household (See Top 100 in Health & Household) #304 in Sports Nutrition Endurance & Energy Supplements
Customer Reviews: 4.3 4.3 out of 5 stars (233) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Formulated to supply the nutrients you need to promote sustained energy production and mental alertness*
Sustained Energy a blend of immediate and sustained release caffeine to get you going and keep you going*
This product also has tyrosine and iodine to support optimal thyroid function*
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
Packaged in the USA by a family owned and operated company since 1968

Customers say

Customers report experiencing all-day sustained energy without feeling tired or sleepy. The supplement provides a nice boost, with one customer noting it helps complete household tasks. They appreciate the product’s quality and its ability to prevent jitters, with one mentioning there’s no crash when it wears off. Some customers report mixed experiences with pain levels.