Vidarikanda or Pueraria Tuberosa as explained in Bhavaprakasha

The ayurveda text Bhava prakaasha, explains the medicinal properties of vidaarikanda as follows:

Vidaari madhuraa snigdha brimhani sthanya shukradaa |
Sheetaa swaryaa mootralaa cha jeevani bala varnadaa ||
Guruhu pittaasrapavanadaahaan hanthi rasaayanam |

Vidaarikanda is sweet to taste , has cooling properties, heavy to digest and contains moisture and stickiness .

Brimhani : It helps in weight gain in persons who have lost weight due to diseases or malnourishment.

Sthanya : This herb is very helpful in increasing lactation in nursing mothers.

Shukrada: Owing to its, sweet, cool and sticky properties, this herb helps to increase quality and quantity of semen. This also helps to increase sperm count and sperm motility.

Swarya: Singers and teachers who abuse their vocal chords are benefited by this herb. It helps to restore the voice.

Mootrala :. It acts as a diuretic, hence used in ayurvedic diuretic preparations

Jeevani : It rejuvenates the whole body and increases vitality and energy.

Balavardhana:. Vidaari helps to increase strength of body

Varnya : It rejuvenates skin and increases fairness and glow. As it increases moisture level of skin it helps in dry skin condition.

Rasaayana : It nourishes whole body and increases rasadhatu. When rasadhatu is nourished the successive dhatus also get nourished.

Pavana hanthi : Viadaarikanda normalizes vata.

Vrishya: As it reduces vata, nourishes rasa dhatu and increases shukra, it acts as a very good aphrodisiac. Owing to these properties it helps in erectile dysfunction, low libido and premature ejaculation. Hence this herb is used in vajikarana Preparations