Can lamb testicles improve weakness and soreness in the waist and knees?
Sheep testicles, commonly referred to as "yang dan," generally have no significant effect on improving soreness and weakness in the waist and knees. For mild symptoms caused by excessive fatigue, consumption of sheep testicles is unlikely to provide relief. Moreover, for obvious symptoms caused by diseases, eating sheep testicles also offers no substantial benefit. If concerns persist, it is advisable to seek medical advice in advance. Detailed explanation is as follows:

If the mild soreness and weakness in the waist and knees are merely due to recent overexertion or prolonged sitting, and there are no other discomforts, there is no need for reliance on sheep testicles. The nutritional components contained in sheep testicles cannot directly act on the bones, joints, or relieve muscle fatigue, and therefore, discomfort may not be alleviated after consumption.
If the soreness and weakness in the waist and knees are caused by conditions such as lumbar disc herniation, kidney deficiency, or arthritis, and are accompanied by movement limitations and intensified pain, targeted treatment addressing the underlying cause is necessary. Sheep testicles do not possess therapeutic effects for these conditions and cannot improve symptoms; thus, relying on them for relief is not recommended.
Sheep testicles should be thoroughly cooked before consumption, and intake should be moderated to prevent indigestion. If symptoms of soreness and weakness in the waist and knees persist or worsen, blind reliance on dietary remedies should be avoided, and timely medical evaluation is necessary to identify the cause and implement targeted treatment.