You shall observe its color when buying. Fresh royal jelly is brilliant,and has nice looking, tastes acerb, a little hot, and sweat; degenerative honey lacks of luster, and has no aroma. Fresh royal jelly in environment of -5℃ can be stored for about one year. In royal jelly, it is normal to find some impurities such as larva of queen bee inside, after filtering, royal jelly will not have these things. After being frozen, it will crystallize, which is normal. It shall have intermediate denseness, too dense ones are not of top grade.
Note: to people having tummy bugs, or weak people, if take too much at one time, they will feel belly pain, or throw up, also will feel belly pain if too much water is added in Winter. So it is wise to take a little every time, for a multiple of times, water shall be a little warm. If have felt belly pain, only to have some noodles, rice, vegetables or make you feel much better, and you also can have a capsule of tummy bug medicine.

■ Children below 10 years old and old people above 80 years old shall not take royal jelly, they shall take queen bee placenta.
■ Pregnant women for over seven months, shall not take royal jelly, they shall take queen bee placenta.
■ Allergic people shall not take royal jelly, they shall take queen bee placenta.
■ People with haemoglobin below 8g shall not take royal jelly, they shall take queen bee placenta. .
■ Infants below 12 months old must not take honey.