Dietary supplements: Collagen Peptides (Vital Proteins) vs. Vitamin D3 + K2
Quick Verdict
Collagen Peptides and Vitamin D3 + K2 serve different purposes. Choose based on your specific health needs.
- Collagen Peptides focuses on collagen supplementation, while Vitamin D3 + K2 focuses on vitamin supplementation.
- Vitamin D3 + K2 supports bone, cardiovascular, and immune health.
- Both products have potential side effects and interactions with medications.
Key features – Side-by-Side
| Attribute | Collagen Peptides (Vital Proteins) | Vitamin D3 + K2 |
|---|---|---|
| Form | Not available | Capsules, softgels, liquid, sprays, and gummies |
| Collagen Type | Not available | Not applicable |
| Vitamin D3 Dosage (IU) | Not available | Common dosages include 2,000 IU, 4,000 IU, 5,000 IU, and 10,000 IU |
| Vitamin K2 Form (MK-7, MK-4) | Not available | Often found as MK-7 |
| Added Ingredients | Not available | Some may include coconut oil, MCT oil, or bile salts to enhance absorption. Some also contain prebiotics and probiotics. |
| Third-Party Certifications | Not available | Look for certifications such as NSF or USP |
Overall Comparison
Form: D3+K2 more varied; Focus: Collagen vs. Vitamins; Benefits: Joint, bone, immune vs. collagen support
Pros and Cons
Collagen Peptides (Vital Proteins)
Pros:
- No notable advantages reported.
Cons:
- No major disadvantages reported.
Vitamin D3 + K2
Pros:
- Supports joint and cardiovascular health
- Promotes skin health
- Strengthens the immune system
- Essential for bone health, immune function, and overall well-being
- Important for cardiovascular health and proper blood clotting
- May improve sleep quality
- May lead to more supple muscles and joints
Cons:
- Some may experience digestive discomfort, such as nausea, stomach pain, or constipation
- Other possible side effects include upset stomach, throwing up, or allergic reactions
- May interact with medications, including statins, thiazide diuretics, orlistat, and blood thinners like warfarin
User Experiences and Feedback
Collagen Peptides (Vital Proteins)
What Users Love
- Not available
Common Complaints
- Not available
Value Perception
- Not available
User Recommendations
- Not available
Vitamin D3 + K2
What Users Love
- Some users report improved sleep quality
- Some users report more supple muscles and joints
- Some liquid forms are reported to taste like mixed berry yogurt or have a pleasant peppermint oil flavor
- Some users praise the lack of taste in certain liquid formulations
Common Complaints
- Some may experience digestive discomfort, such as nausea, stomach pain, or constipation
- Other possible side effects include upset stomach, throwing up, or allergic reactions
Value Perception
- It generally takes a few weeks of supplementation to raise vitamin D levels.
- Each 1,000 IU of Vitamin D3 is expected to raise blood levels by 10 ng/ml after a few weeks.
- Initial effects of Vitamin D3 supplementation can start to be noticeable within a few days to weeks.
- Long-term benefits, such as improvements in bone density and strength, may be observed over several months to a year.