1 L FORMAT | 5 ml PER LITRE OF SYRUP |
200 L SYRUP PER BOTTLE | 6 VITAMINS |
Liquid supplement of solubilised vitamins and amino acids, added to the syrup.
When pollen is short or the flora is not varied, the colony runs into a micronutrient deficit before you see anything at the entrance. Promotor L Apis mixes into the syrup to cover that side, and it is taken up quickly because it is in solubilised form.
01 · NUTRITION
Worth being clear about before you use it: a multivitamin with amino acids brings supporting micronutrients, but it does not replace pollen or a varied flora, and it does not stand in for the protein side when there are not enough well-fed nurse bees. It is one part of a feeding plan, not the plan.
02 · COMPOSITION
Six vitamins — nicotinamide, D-panthenol, B1, B2, B6 and biotin — involved in energy metabolism, plus an amino acid profile (L-alanine, L-arginine, L-aspartic acid and others) and yeast hydrolysate, which brings B-group vitamins. What it does not carry, and it is worth knowing: vitamin C. Ascorbic acid oxidises and is not part of commercial multivitamins, so if you want it you add it separately.
03 · HOW TO USE
Mix at 5 ml per litre of sugar syrup, or work it into feeds and maintenance pastes. At that rate, the 1 litre bottle covers around 200 litres of syrup.
04 · BEFORE YOU BUY
It makes sense during windows of pollen shortage or poor floral diversity, alongside a syrup. It does not make sense as an answer to a health problem or as a substitute for stores: if the colony is weak from varroa, from lack of space or from hunger, that gets fixed first and on its own terms.
| ✓ ADD IT TO | Sugar syrup, feeds and maintenance pastes. |
| ⚠ NO SUBSTITUTE | For pollen or a varied flora. |
| Format | 1 litre |
|---|---|
| Dose | 5 ml per litre of syrup |
| Yield | approx. 200 litres of syrup |
| Vitamins | Nicotinamide, D-panthenol, B1, B2, B6, biotin |
| Amino acids | L-alanine, L-arginine, L-aspartic acid and others |
| Other | Yeast hydrolysate |
| Application | Mixed into syrup or paste |
Specific References
2 files available

My advice when mixing Promotor L into the syrup
The question I get most is how many spoonfuls. It is 5 ml per litre of syrup, a level teaspoon, not a tablespoon. A one-litre bottle covers around 200 litres of syrup, so it lasts far longer than people reckon. And the usual mistake is not going short: it is doubling the dose thinking it will stimulate more. It will not — a micronutrient corrects a deficiency, and where there is none it does nothing.
I am also asked whether it can go in the drinker instead of the syrup. I do not do it. It goes in the syrup because that is what the bee carries back to the comb; in water it spreads among whichever bees drink, sits in the sun, and you control neither how much goes in nor who gets it.
And mind the name: ours is the Apis version, formulated for bees. However similar the ones for other species sound, I do not use them in hives. That said, I do not treat this as a seasonal routine either: it goes with a syrup at a specific moment — late winter, when you want brood rearing to start and the flow is not there yet. If there is varied bloom and the colony gets going on its own, it is not needed.
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