Royal Jelly is great for asthyma , also bee pollen is not so bad even if you use it carefully in small amounts it can help to fight against allergies and asthyma .
here is some info:
There are two types of pollen, says Dr. Cherbuliez: pollen carried by the wind, and pollen carried by insects. "If you take small doses of pollen carried by insects—for example, bee pollen—it builds up your immunity and protects you from having a reaction when you breathe airborne pollen," he says
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Bee Pollen
May help: Allergies, asthma, indigestion, sore throat, acne, sexual problems, fatigue, and depression. May increase energy and stamina, promote prostate health, and possibly slow aging.
Special instructions: Take with meals. Begin with three pollen granules (they’re small, but you can separate them with your fingernail) and double the dose each day until you’re taking a teaspoon. If you have no adverse reaction, you can take pollen in other forms—capsules, tablets, powder, or liquid.
Cautions and possible side effects: Rarely, may cause life-threatening anaphylactic shock in sensitive people; do not take if you have a history of anaphylactic reactions. May cause stomach pain, diarrhea, irritation and itching in the mouth and throat, and less commonly, headache, fatigue, asthma attacks and general feelings of poor health. If you have asthma or diabetes, check with your doctor before taking. Bee pollen contains allergens that can worsen asthma, and it contains natural sugars.
so for bee pollen ,its better to consult with doc. before trying it