Description
CYCO B1 Boost 1 Litre is a vitamin B1 (thiamine) and plant hormone supplement designed to reduce transplant shock, stimulate vigorous root development, and support plant recovery after stress events. We have been recommending CYCO nutrients and additives to UK growers since 2017 as a premium, scientifically formulated product line with strong performance credentials, and B1 Boost has earned its place as a staple in many growers’ root development and transplant protocols.
The Science Behind Vitamin B1 Supplementation for Plants
Thiamine (Vitamin B1) plays a foundational role in plant cellular metabolism, functioning as a coenzyme in the metabolic pathways that convert sugars into energy and build the cellular components needed for root growth. Under stress conditions — including transplanting, nutrient deficiency correction, or recovery from pest or pathogen damage — plants’ own thiamine production can be insufficient to meet the elevated metabolic demand of repair and recovery. Supplemental thiamine supports these processes, accelerating cellular repair and root development at exactly the time plants need additional support most. CYCO B1 Boost combines thiamine with plant auxins and other growth-promoting compounds that work synergistically to amplify the root initiation response — particularly useful during the critical 7–10 day period after transplanting when root establishment determines how quickly a plant can resume vigorous growth. The 1-litre bottle provides a convenient supply for multiple applications across several grows.
How to Use CYCO B1 Boost in Your Growing Programme
Apply CYCO B1 Boost at 1–2 ml per litre of nutrient solution during transplant weeks, clone rooting, and recovery after any stress event. Use as a root drench, applying solution directly to the root zone and growing media. For transplants, water in immediately after potting with B1 Boost solution to minimise the window of root stress. Can also be used as a foliar spray at the same dilution rate to support above-ground recovery from pest damage or physical stress. Continue weekly applications for the first two weeks after transplant, then reduce to once per month as a maintenance root development support. Compatible with all nutrient programmes and growing media.
Pair CYCO B1 Boost with CYCO base nutrients (Grow A&B or Bloom A&B), Ryzofuel root stimulant, and Zyme for a complete CYCO growing programme optimised for every stage of the plant lifecycle. Browse our full CYCO range for the complete product lineup.


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