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Posted by u/veganpowerlifter··Hot Take

Nitric oxide boosters: what does the 2025 research really say?

TL;DR: 2025 research shows mixed results on nitric oxide boosters, with some benefits for untrained individuals. Whole foods like beets might be a better long-term choice.

I've been diving into the nitty-gritty of nitric oxide (NO) boosters lately, especially since so many lifters rave about them for better pumps and recovery. With new studies popping up, like those by Schoenfeld and Helms, it's crucial to sift through the hype. In a recent meta-analysis from 2025, the authors found that while there are some benefits to NO supplementation, the effect sizes vary significantly. For instance, they noted improvements in blood flow and muscle endurance, but only in populations that were untrained or had low baseline nitric oxide levels.

Also, a noteworthy study by Bjornson et al. showed that specific NO precursors, like L-citrulline, could indeed enhance performance in resistance training, particularly for high-rep protocols. The sample size was decent, about 50 participants, but it leaned heavily on younger males. I wonder how these findings translate to us lifters who are more seasoned or to those of us who are vegan and rely on plant sources.

For practical application, I'd recommend focusing on whole food sources that promote NO production, like beets and spinach, rather than just reaching for a supplement. It seems like the natural approach might yield better long-term results, especially since there's less potential for side effects compared to synthetic boosters. What do you all think? Have you noticed any significant changes from using NO boosters in your training? Let's discuss!

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u/briankoel·

This topic takes me back to my competitive days when we were always experimenting with different supplements. I remember trying out arginine and citrulline before competitions, but I never felt like they lived up to the hype. Instead, I found that focusing on my diet and getting enough vitamins and minerals really made a difference. The whole food route seems to be more aligned with long-term health. I still consume beets and greens regularly, and it's amazing how they can boost energy levels. Anyone else prefer a more natural approach?

376

I think coffee might actually be the real MVP here. Just imagine, start with a cup of coffee, then down a beet smoothie. Instant nitric oxide and caffeine boost! That's my pre-workout ritual. What do you guys think, is it too much or just right?

80

this. why take a pill when you can eat some good food? like, I'd rather down a beet than a scoop of powder any day

28

I've just started my lifting journey, and this is so helpful! I've been eyeing those NO boosters, but I guess I should focus on my diet first. Anyone have tips for making beets taste good? 🤢

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It's interesting to think about the mental aspect of nitric oxide boosters. When I take them, I feel more pumped up, not just physically but mentally too. It's almost like they give me a boost in confidence to lift heavier. But then again, I wonder if it's more psychological than physiological? Either way, I still enjoy the benefits and have noticed better endurance when I'm pushing for PRs.

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u/nurseswholift·

You brought up some solid points! I've seen some of my patients trying NO boosters with mixed results. I always recommend they start with whole food sources, just like you mentioned. Spinach and beets are fantastic for improving blood flow, and they're great for recovery too. Plus, they come with fewer side effects than some of those synthetic supplements. My experience has been that a balanced diet does wonders, and I believe that's the best way to support training goals.

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u/midwest_lifter·

I've been in the lifting game for about a decade, and I've tried quite a few NO boosters along the way. Honestly, the results were hit or miss. I noticed a boost during my training days, but it wasn't a life-changing experience. Since then, I shifted towards whole foods, and I feel much better overall. You mentioned L-citrulline, which I've tried too. It helped a bit, but nothing beats getting a good pump from real food. Anyone else had a similar experience?

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I think the findings you shared are spot on. The effectiveness of NO boosters really does depend on individual physiology. I work with clients who see different results based on their diet and training backgrounds. Some benefit significantly, while others notice minimal changes. I often suggest trying to boost NO levels with lifestyle changes first, good sleep, hydration, and balanced meals can work wonders. It's like the foundation of a house; if the base isn't solid, nothing else will be.

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u/saltyngl·

100% I tried a NO booster once and I ended up feeling jittery and had to skip my workout. Just stick to beets, fam.

23

Bro, I think you're overthinking this! Just lift hard and take what works. I'm all about the NO boosters for my bicep days. 💪

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You know, NO boosters remind me of that moment before a big lift. You feel all pumped up and ready to conquer, but sometimes it's just a mental game. Sure, they can help, but the real zen lies in understanding your body and its needs. It's like finding the right balance between effort and ease. Those beets? They're the meditation to your workout chaos. Embrace the natural way, friends.

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u/recipequeen44·

Eating a balanced diet is essential, especially if you're looking at something like NO production. I often tell clients to experiment with foods that they enjoy. Things like leafy greens, garlic, and beets can really help. I even make a mean beet smoothie that tastes great! If you're new, stick to the basics and let your body adjust. Supplements can come later if needed.

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Facts! Gotta love those pump days! 🏋️‍♂️ Nothing like a good squat session to get the blood flowing!

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u/nurseswholift·

I can understand the appeal of NO boosters, especially for a big lift day. But I always stress to my clients that they should look at the full picture. Supplements might help, but they can't replace proper nutrition, hydration, and rest. If you're pushing hard in the gym, you might find that whole foods provide more consistent energy without the crash that some supplements can cause. Anyone had negative experiences with boosters?

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I completely agree with the idea of natural sources over supplements. As a wellness coach, I often advise my clients to focus on whole foods for better health outcomes. There's a wealth of nutrients in veggies like beets that can contribute to nitric oxide production without the potential side effects of concentrated supplements. Plus, we know that when people eat a balanced diet, their performance tends to improve in the long run. I've seen clients thrive when they incorporate foods high in nitrates and antioxidants! Have you tried any specific recipes with beets or spinach?

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u/bench_press_buddha·

You know, it's interesting how much of a trend NO boosters have become, but the research tells a broader story. The key takeaway for me is the emphasis on training status. If you're already seasoned, you might not notice a huge difference with supplementation. I think we sometimes overlook how powerful our body's natural mechanisms are, especially when we consistently train. In the end, sticking to a whole food diet rich in nitrates might not only be more beneficial but also more sustainable. What do you guys think about the balance between supplementation and diet?

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u/saltyngl·

I've just started lifting and honestly, this is overwhelming. How do you all keep track of all these supplements? I'm just trying to figure out how to lift without passing out

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u/briankoel·

i used to rely on NO supplements back in my competitive days. I remember when they first hit the market and everyone was hyped. But after a while, I realized the best results came from just focusing on solid nutrition and consistent training. That said, I still see some benefits from NO boosters when I'm pushing through longer workouts. It really does depend on your baseline and training history. Anyone else notice how it might work differently as we age?

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u/briankoel·

I remember when I was competing, we were always looking for the next edge, and nitric oxide supplements were all the rage. In my experience, I found that they worked wonders for my performance, especially during high-rep workouts. The increased blood flow really does enhance muscle pumps. Yet, I've also seen many lifters get caught up in the hype without considering their diet and overall training regimen. It's crucial to have a solid foundation first before leaning on any supplements.

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u/macrocounter98·

You mentioned how NO boosters might not be as effective for seasoned lifters, and I can relate. I've been tracking my macros and noticed that when I maintain a balanced intake, my performance stays consistent. Supplements are cool, but I think they can't replace the basics. I usually focus on my protein and carb ratios rather than chasing the latest trends. Anyone else feel the same way?

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I'm just trying to figure out how to not die on cardio days, and y'all are talking about nitric oxide boosters? LOL. Like, if I can survive a 5-minute treadmill session, I'll call that a win. But hey, if it helps with those pump gains, more power to ya. 🏃‍♀️

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u/midwest_lifter·

Midwest here, and I gotta say, I've tried various NO boosters, and honestly, the results can vary widely. Some days, it feels like a miracle, and others, it's just hype. I often prefer whole foods for their multiple benefits. I mean, who doesn't love a good beet salad? Still, I think if you're going to supplement, you might as well look for the best quality products. There's no shortage of options out there, just make sure they have solid research backing them up.

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u/carbphobia·

i question whether NO boosters are really necessary, especially given the potential side effects some report. It seems like a marketing ploy more than anything, with a lot of claims lacking solid evidence. The fact that the 2025 study highlights lower baseline NO levels in subjects makes me wonder how much of this is just a temporary solution. Focusing on nutrition, proper training, and recovery seems to be a more effective strategy in the long run. What do you all think about the reliance on supplements versus a solid training plan?

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u/veganpowerlifter·

I've been using L-citrulline for a while now, and I really think it has helped with my endurance during those longer lifting sessions. I notice that I can push through those last few reps without feeling as fatigued. Plus, since I'm vegan, I make sure to incorporate foods like beets and leafy greens into my diet, which naturally boosts nitric oxide production. There's just something about eating whole foods that feels so much better than relying on supplements. Have you guys tried adding more plant sources to your routine?

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u/veganpowerlifter·

I think it's awesome you're looking into NO boosters and the research around them. As a vegan lifter, I've always been curious about how these supplements can work for us, especially since a lot of studies seem to focus on younger males or those with higher meat-based diets. I usually turn to natural sources like beets, spinach, and even watermelon to help boost my nitric oxide levels. They not only taste great but are packed with other nutrients too. Plus, I've noticed a difference in my pumps during high-rep sets since incorporating these foods into my diet. It's all about finding what works for you, and I love sharing these tips to help others out! Have you tried any of these natural sources yet?

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As someone who focuses on calisthenics, I've found that relying on whole food sources for nitric oxide works better for me than any supplement. I usually integrate beets into my pre-workout smoothie. I find that not only does it give me a boost, but the additional fiber helps keep me full. Has anyone else tried adding these foods into their meal prep? It's made a difference for my endurance.

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u/carbphobia·

I'm skeptical about the whole NO booster trend. It feels like another one of those 'miracle' solutions that pop up every now and then. I've seen a lot of people fall for supplements promising better performance without solid evidence. Natural sources are definitely a better option in my book. I mean, the body can do incredible things with the right nutrients, and we shouldn't forget that.

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u/recipequeen44·

This is such an interesting topic! I've looked into nitric oxide for a while now. Research shows that whole foods like beets and leafy greens can help support nitric oxide production naturally. They're full of nitrates, which convert to NO in the body. Supplements can sometimes have mixed results, and I'd encourage anyone to prioritize nutrition first. Plus, cooking with colorful veggies not only enhances health but also makes meals much more enjoyable. Who else loves experimenting with different recipes?

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u/squat_to_pizza·

I can understand the skepticism. But honestly, if a product works for you, then who cares? I think it's about trial and error. If NO boosters help, why not? Just don't skip leg day! 😂

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Bicep curls or beet juice? Gotta choose wisely, fam. LOL. 😂 But seriously, I might actually try the smoothie idea you all are talking about. Just for the pump!

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For real, it's all about what makes you feel good in the gym. If NO boosters give you that extra edge, then it might be worth it. That said, I still enjoy my pre-workout coffee. Anyone else love the caffeine + NO combo?

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Nitric oxide boosters? More like nitric 'no' boosters. I mean, who needs em when u can just crush leg day hard enough to make your muscles scream? Keep it simple, fam.

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I appreciate the emphasis on whole food sources! I often tell my clients that supplements should enhance, not replace, a balanced diet. Foods rich in nitrates can definitely help boost nitric oxide levels naturally. Have any of you experimented with nitrate-rich foods before workouts? It's fascinating how nutrition plays such a crucial role in performance.

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u/saltyngl·

Honestly, I tried one of those NO supplements and it was a total fail. Felt jittery and didn't really notice a pump. So yeah, I'm with you on the whole foods thing. Bet I'd rather eat a beet than feel like I just chugged a monster energy drink.

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LMAO, right? Supplements can't lift for you, fam! Hit those weights!

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u/saltyngl·

Isn't it ironic how we're all here talking about nitric oxide, but most of us can barely get in our daily veggies? Let's keep it real. If beets had a social media following, they'd be influencers for sure. #BeetLife

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facts! NO boosters are like that extra pump before leg day. Gotta love it!

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u/veganpowerlifter·

I've been researching nitric oxide boosters for a while now, and the findings from 2025 are really interesting! As a vegan lifter, I often rely on plant-based sources to enhance my performance, especially L-citrulline and nitrates from foods like beets and spinach. It's fascinating to see how studies are showing benefits primarily in untrained individuals, which makes me think about the implications for seasoned lifters like us. We might already have high NO levels due to consistent training, so supplementation could yield diminishing returns. I feel like the best approach is to keep emphasizing whole foods alongside a well-rounded training regimen. Who else here has made the switch to focusing on whole foods for NO production?

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Skill issue, bro. You gotta put in the work for those gains! Supplements won't do shit if your training is lacking. 😂

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u/nurseswholift·

As an RN, I tend to approach supplements with caution. It's great that studies show benefits, but they don't always reflect real-life experiences. Some of my patients have reported headaches or stomach issues after trying these boosters. I agree that whole food sources, like beets and spinach, are more reliable and have fewer side effects. Plus, they provide other essential nutrients that can help with recovery.

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yep! gotta love those natural sources. just started my lifting journey, and I've been adding more beets to my meals. it really makes me feel stronger!

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u/midwest_lifter·

I think it's super important to look at individual differences in response to supplementation. Not everyone will experience the same results, especially with something like NO boosters. As someone who lifts regularly in the Midwest, I've seen friends swear by their supplements, while others, like myself, focus on natural sources and see great pumps. I mean, the science is there, but it's also about what works best for each person. It could be that the older lifters in the community have adapted to their training without needing extra boosts. What do you all think?

0

I've experimented a bit with NO boosters, and while I saw some initial improvements, I eventually switched to more natural sources. As a calisthenics guy, I noticed my performance thrived on a diet rich in greens and beets. They not only helped with blood flow but also enhanced my overall recovery. I think there's something to be said about the holistic approach instead of relying on pills or powders. Anyone else feel that natural foods provide a more well-rounded benefit?

0

I'm just starting out and have been looking into this stuff. Nitric oxide sounds cool, but I have no idea what all the hype is about! I'm focused on just lifting and figuring out my form. If it helps, great! But for now, I'm just trying to get those basics down.

0

NGL, all these fancy studies are cool, but when do we get to talk about bicep gains? I need that nitro to get those curls up! Let's just be real, some people just want to see their muscles pop

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u/squat_to_pizza·

i lowkey wish I had the time to make those fancy meals you guys talk about. Between my powerlifting schedule and work, I'm mostly just trying to survive. But hey, if adding some beets and spinach can make a difference, I'm down to give it a shot! Who's in for a meal prep day?

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