The source says the amount of cordyceps taken depends on each person's physical condition. It suggests 0.5–2 grams a day for people it describes as healthy or 'sub-healthy.' For people with illness, it says the amount varies with disease severity, treatment stage, duration, constitution, prominence of symptoms, age and season, but generally recommends 2–5 grams a day divided into two or three servings. These figures are not a clinically established dosing standard and must not be treated as medical advice.

Step 1 in the source is to choose a daily weight and divide it by the number of servings. This arithmetic does not determine a medically appropriate dose; do not self-dose cordyceps to treat an illness.
Step 2 explains size grading: count the pieces and note the total weight. Pieces ÷ grams gives the number of pieces per gram, while grams ÷ pieces gives the average weight of one piece.
Step 3 converts a chosen weight into a piece count using the average size. This is a measurement method, not a medical recommendation.
The source calls steeping in water, grinding into powder and adding cordyceps to soup the simplest effective methods. For general conditioning, it recommends steeping 0.5–1 gram every morning; using cordyceps graded at 4 pieces per gram, that means 2–4 pieces, steeped 3–5 times and then eaten. For people treating disease or described as having poor absorption, it says to increase that amount by 2–3 times. At night, it recommends taking 0.5–1 gram of cordyceps powder with warm water and doubling that amount for disease or poor absorption. These self-treatment and dose-escalation instructions are not clinically established and may be unsafe without qualified medical supervision.
The source claims cordyceps can be combined with Tibetan medicines without side effects and that a mixture with green luo flower treats high blood pressure. These are unverified source claims and not medical advice.
For old-duck soup, the source suggests adding cleaned cordyceps during the final 10–15 minutes and simmering gently rather than using high heat. It claims high temperatures destroy cordyceps nutrients and specifically says cordyceps must not be steamed because steam will damage its active constituents and carry away cordycepin. It presents this method as a way to prevent waste. These are the source's culinary and constituent-preservation claims, not evidence of a therapeutic effect.
Cordyceps appraisal information summary
Cordyceps related reading
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Key inspection points before selling idle cordyceps
If you have old cordyceps, first send close-up photos of the outer box, weight label, and the insects, so we can assess whether it still has buyback value.
Kam Hoi Shing dried-seafood buyback
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Appointments for on-site appraisal in major areas of Hong Kong can be arranged, with immediate settlement upon transaction, and the process is confidential.