Joint popping, shoulder pain - Die off?

Hello,

Can popping joints (from shoulders on down to toes) be a die-off symptom? My shoulders are very sore, but I never had a problem with them prior to starting this regimen, although I have had bursitis in the hips.

In the past whenever I'd take high doses of vitamin C, my joints would pop - causing pain in the hips.

I'm having the other symptoms which I take to be good signs: extreme tiredness, emotional upheaval, sweet/carb cravings, mild headaches, chills, cold feet, mild constipation, eyes puffy/dark (they've always been this way), and palpitations. I'm on day 4 and while the other symptoms (except the dark/puffy eyes) have improved, the joint popping and shoulder soreness hasn't.

I'm using:
Intestinal Repair Complex
-L-Glutamine
-N-Acetyl Glucosamine
-Deglycerrhizinated Licorice Extract
-Amylase
-Cellulase
-Lactase
-Invertase
-Maltase
-Aloe Vera Extract
-MSM
-Slippery Elm Bark
-Marshmallow Root
Undecyn
-Calcium Undecylenate
-Grapefruit Seed extract
-Bentonite Clay
-Betaine HCI
HMF Forte
-Lactobacillus acidophilus
-Bifidobacterium bifidus
-Bifidobacterium brevis
Pau D'Arco Tea

My diet is the same from the prior 2 months, but for this effort have eliminiated all fruit, rice, and baked root vegetables. So eating only vegetables, chicken & seafood baked/broiled in canola oil, flax oil, lemon, cayenne pepper, black pepper, kelp, and tons of water.

Thanks for any insights.

Cedar