Using larger ranges of motion will get you greater benefits from gardening. Watch your back. To protect your back when lifting, squat down next to the object and slowly lift up with your legs, keeping your back straight. Avoid getting stiff. Change positions every couple of minutes when weeding or planting and get up and walk around if you get stiff.
Variety is key.
Your body will gain the most benefits if you alternate between different gardening exercises. Just like tending to your garden, Knox NutraJoint Plus Glucosamine should be taken daily, as directed, to keep joints healthy.