Schiff Glucosamine HCl 2,000 mg Plus Vitamin D
Brand: Schiff · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that this supplement provides a high dose of glucosamine combined with vitamin D. For glucosamine, data on joint health benefits is mixed, and for vitamin D, the dosage is not specified in the provided data. Our assessment is that while vitamin D has well-established roles in bone and immune health, the primary ingredient—glucosamine—lacks definitive proof for joint repair [NIH ODS].
How it works
Think of vitamin D as a master regulator for your body. It supports bone mineralization, helps your immune system respond to threats, and plays a role in neuromuscular relaxation [NIH ODS]. Glucosamine HCl is a building block for cartilage, though the exact mechanism for how it might support joint health is not fully defined by the data provided.
Safety profile
FDA received a total of 592,059 adverse event reports across all supplements, but specific report counts for this product are not available. For the vitamin D component, side effects from very high intakes can include nausea, constipation, weight loss, extreme tiredness, and abnormal heart rhythms [NIH ODS]. High calcium levels (a related concern) can also cause poor muscle tone and kidney issues [NIH ODS]. Data on side effects specific to glucosamine HCl is not available in the provided data.
Our recommendation
Start by consulting your healthcare provider to see if glucosamine is appropriate for your joint health needs. For vitamin D, a blood test can help determine if you need supplementation. If you choose to take this product, follow the label instructions and be aware that calcium supplements can reduce absorption of medications like bisphosphonates and certain antibiotics [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Schiff |
|---|---|
| Serving Size | |
| Contents | 150.0 Coated Tablet(s) |
| Market Status | On Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide