GS
GNC Select Joint Support Complex
5 ingredients identified4 graded30 studies
The takeaway
Solid pick. Vitamin C, Vitamin D3 and Manganese (+1 more) have real research behind them (20+ studies reviewed), but Hyaluronic Acid doesn't have enough studies yet.
Based on the ingredients we could read from this scan. A full label may include more — like added sugars, colorings or other ingredients — than we captured here.
77out of 100
BProduct Score
Weighed against 30 published studies · led by Vitamin C
Why this grade
- +1 ingredient with published research
- +3 essential nutrients identified
- +Strong evidence for Vitamin C, Vitamin D3 and Manganese
- −Hyaluronic Acid lacks sufficient research
Nutrients & actives
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Product Scan grades ingredients, nutrition and processing level. It is not medical advice; talk to your doctor before changing supplements. Grades update as new data becomes available. How we grade →