As a Jyotish astrologer, the retrograde Jupiter in the 6th house in Sagittarius sign can have varying effects on an individual's life based on their personal horoscope. 

In general, the 6th house represents illnesses, diseases, enemies, and obstacles. Sagittarius is ruled by Jupiter, which represents knowledge, expansion, luck, and spirituality. 

When Jupiter is retrograde, its energy is turned inward, causing a potential delay in personal growth and expansion. However, this retrograde can be beneficial when it comes to spiritual enlightenment and self-exploration.

The placement of Jupiter in Sagittarius sign brings positivity and luck in one's workplace, with improvements in productivity and financial success. However, with Jupiter in the 6th house, there could be some conflicts or obstacles in the workplace. It's essential to keep an eye out for disagreements with coworkers or superiors.

This placement of Jupiter may also lead to health-related issues. It is crucial to take care of one's health and well-being, especially during this period, to avoid any major health complications.

Overall, the impact of retrograde Jupiter in the 6th house in Sagittarius sign varies from person to person, and it's essential to consult a Jyotish astrologer for a more in-depth analysis of an individual's personal horoscope.

retrograde Jupiter rules 6th and 9th house is in 6th house in Sagittarius