Based on the authoritative information available, a well-rounded vitamin and supplement stack for fitness generally includes the following:

1. Creatine: Supports ATP production, enhancing muscle strength and power during high-intensity training¹².
2. Protein Supplements: Including whey protein, help in muscle repair and growth³.
3. Caffeine: Improves endurance, focus, and reduces perceived exertion during workouts⁴.
4. Beta-Alanine: Increases muscle carnosine levels, enhancing performance during high-intensity exercise by buffering acid in muscles⁵.
5. Branched-Chain Amino Acids (BCAAs): Aid in reducing muscle soreness and fatigue⁶.
6. Omega-3 Fatty Acids: Help reduce inflammation and may improve recovery⁷.
7. Vitamin D: Crucial for bone health and muscle function⁷.

These supplements have been studied for their effectiveness in enhancing athletic performance and facilitating recovery, helping fitness enthusiasts achieve their goals efficiently.

Would you like me to search for specific products containing these ingredients?

Footnotes

1. Harvard Nutrition Source - Workout Supplements ↩

2. Dietary Supplements for Health, Adaptation, and Recovery in Athletes ↩

3. Examine.com - Muscle Gain & Exercise ↩

4. IOC Consensus Statement on Dietary Supplements and the High-Performance Athlete ↩

5. Evidence-Based Supplements for the Enhancement of Athletic Performance ↩

6. Multi-ingredient pre-workout supplements safety implications and performance outcomes ↩

7. A Five-Ingredient Nutritional Supplement and Home-Based Resistance Exercise Improve Lean Mass and Strength in Free-Living Elderly ↩ ↩²