10 Supplement Mistakes that Almost Destroyed my Health
Thomas DeLauerPublished on August 10, 2025
Summary authored by editor@wellifi.com
TLDR Summary
Over the years, I've adjusted my supplementation routine based on new research and personal experiences. Key changes include increasing protein absorption limits, avoiding post-workout antioxidants, and recognizing the benefits of collagen and glutamine for gut and connective tissue health.
Key Points
- Increased protein absorption: Current research shows we can absorb 40-60 grams of whey protein in one sitting.
- Avoiding antioxidants post-workout helps the body manage oxidative stress naturally.
- Most thermogenic fat burners are ineffective; consider alternatives like caffeine.
- Creatine monohydrate is effective and cost-efficient compared to other forms.
- Lower doses of fish oil are recommended for optimal cell membrane health.
- Carnitine supplementation is most beneficial during intense training periods.
- Whey protein concentrate offers additional gut health benefits.
- Vitamin D can be taken at any time; cod liver oil is a beneficial alternative.
- Glutamine supports gut health and GABA production during stress.
- Cycling 5-HTP and GABA helps avoid tolerance and enhances their effectiveness.
- Collagen is beneficial for connective tissue health, particularly post-workout.
Transforming My Supplementation Routine: Lessons Learned
Over the years, I’ve made several mistakes regarding my supplementation, and each misstep has taught me valuable lessons. As I continue to explore the ever-evolving landscape of nutritional science, I’d like to share some insights and adjustments I’ve made to my routine based on both current research and personal experiences.
The Misconceptions About Protein Intake
I used to limit my whey protein intake to 30-35 grams per serving, believing that this was the maximum amount I could absorb at once. However, recent studies indicate that many individuals can effectively absorb 40-60 grams of protein in a single sitting. While whey protein does absorb quickly, it's essential to understand that unless you're in a significant caloric surplus, excess protein is unlikely to convert to fat. Thus, I have adjusted my intake to allow for more flexibility in my diet.
The Role of Antioxidants Post-Workout
For years, I consumed antioxidants like vitamin C post-workout to aid recovery, thinking they would help combat oxidative stress. However, I realized that this approach hindered my body’s natural ability to produce its own antioxidants. Research shows that antioxidants taken immediately after exercise can blunt the necessary inflammatory response crucial for muscle recovery. I now avoid taking these supplements right after my workouts.
Reevaluating Fat Burning Supplements
Previously, I invested in various thermogenic fat burners, but I found that most of them are ineffective. The few that do work, such as alpha-adrenergic receptor blockers like yohimbine, can cause jitteriness. I've learned that many mainstream fat-burning supplements aren't worth the money, and caffeine remains one of the most effective options.
Choosing the Right Form of Creatine
I once believed that fancy forms of creatine, such as creatine hydrochloride, would reduce water retention and enhance absorption. However, research does not support this, and I found that traditional creatine monohydrate is just as effective and significantly cheaper. Water retention diminishes after a few weeks on creatine monohydrate, making it the better choice.
Adjusting Fish Oil Intake
In the past, I mega-dosed on fish oil, taking 7-10 grams daily. Over time, I learned that excessive fish oil can lead to increased cell membrane fluidity, which may not always be beneficial. Now, I take a lower dose of about 2-3 grams and have introduced C15 fat, which helps maintain cell membrane integrity while still providing cardiovascular benefits.
Understanding Carnitine Usage
I used to take carnitine regularly, but I’ve learned it’s only beneficial during periods of intense training when deficiencies can occur. Most people do not need carnitine supplementation when they’re not actively training, so I reserve it for my heavy training blocks.
Whey Protein: Concentrate vs. Isolate
For a long time, I favored whey protein isolate for its purity. However, I’ve come to appreciate whey protein concentrate for its additional compounds, such as lactoferrin, which offer gut health benefits and may aid in protein absorption. Unless lactose intolerant, I recommend considering whey protein concentrate as a valuable part of your diet.
Timing of Vitamin D Supplementation
I previously avoided taking vitamin D at night, thinking it would disrupt my sleep. I have since learned that vitamin D production is a complex process that doesn't rely solely on sunlight. As such, I now take vitamin D without concern for the time of day. Additionally, I have shifted to cod liver oil, which provides not just vitamin D but also vitamin A and omega-3s for balanced nutrition.
Reassessing Glutamine
While I once dismissed glutamine as overrated for muscle recovery, I now recognize its importance for gut health, especially during periods of high stress or intense training. Glutamine can support gut barrier integrity and help maintain adequate levels of GABA, a crucial neurotransmitter for calming the brain.
Cycling 5-HTP and GABA
5-HTP is great for promoting calmness and serotonin balance, but I discovered that I needed to cycle it to avoid building a tolerance. Lower doses can be effective, and I now take breaks from it to maintain its efficacy. Similarly, while GABA can be helpful, I’ve learned that it may not effectively cross the blood-brain barrier in many individuals, so I use it sparingly.
The Benefits of Collagen
Initially, I viewed collagen as solely beneficial for gut health. However, insights from experts have shown that collagen also supports connective tissue repair and health. Including collagen in my daily routine has become a priority, especially around workout times to aid in recovery.
Conclusion
As I continue to refine my supplementation strategy, I am grateful for the lessons learned along the way. Each adjustment has contributed to better health outcomes, enhanced recovery, and overall well-being. By staying informed and adapting my approach, I aim to optimize my health and performance.