Now Foods Sports Arginine & Citrulline 240 Veg Capsules
Arginine and citrulline are two amino acids that are an integral part of protein metabolism and utilization, as well as for the maintenance of muscle tissue. They are key intermediaries in the urea cycle, where they participate in the detoxification of ammonia through the production of urea. Additionally, any arginine that is not converted to urea enters the general circulation where it is distributed to various tissues and metabolized for other uses, such as protein synthesis. It is recommended to take 1 capsule 2 times a day. Only for adults. Consult your doctor if you are pregnant or breastfeeding, if you take medications (especially antihypertensives, nitrates, or other heart medications), or if you have a medical condition (especially herpes, kidney failure, and / or glaucoma). Keep out of the reach of children. Not made with wheat, gluten, soy, corn, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients that contain these allergens. Natural color variation may occur in this product. Store in a cool, dry, dark place after opening.
Arginine and citrulline are two amino acids that are an integral part of protein metabolism and utilization, as well as for the maintenance of muscle tissue. They are key intermediaries in the urea cycle, where they participate in the detoxification of ammonia through the production of urea. Additionally, any arginine that is not converted to urea enters the general circulation where it is distributed to various tissues and metabolized for other uses, such as protein synthesis. It is recommended to take 1 capsule 2 times a day. Only for adults. Consult your doctor if you are pregnant or breastfeeding, if you take medications (especially antihypertensives, nitrates, or other heart medications), or if you have a medical condition (especially herpes, kidney failure, and / or glaucoma). Keep out of the reach of children. Not made with wheat, gluten, soy, corn, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients that contain these allergens. Natural color variation may occur in this product. Store in a cool, dry, dark place after opening.
Arginine and citrulline are two amino acids that are an integral part of protein metabolism and utilization, as well as for the maintenance of muscle tissue. They are key intermediaries in the urea cycle, where they participate in the detoxification of ammonia through the production of urea. Additionally, any arginine that is not converted to urea enters the general circulation where it is distributed to various tissues and metabolized for other uses, such as protein synthesis. It is recommended to take 1 capsule 2 times a day. Only for adults. Consult your doctor if you are pregnant or breastfeeding, if you take medications (especially antihypertensives, nitrates, or other heart medications), or if you have a medical condition (especially herpes, kidney failure, and / or glaucoma). Keep out of the reach of children. Not made with wheat, gluten, soy, corn, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients that contain these allergens. Natural color variation may occur in this product. Store in a cool, dry, dark place after opening.
Arginine and citrulline are two amino acids that are an integral part of protein metabolism and utilization, as well as for the maintenance of muscle tissue. They are key intermediaries in the urea cycle, where they participate in the detoxification of ammonia through the production of urea. Additionally, any arginine that is not converted to urea enters the general circulation where it is distributed to various tissues and metabolized for other uses, such as protein synthesis. It is recommended to take 1 capsule 2 times a day. Only for adults. Consult your doctor if you are pregnant or breastfeeding, if you take medications (especially antihypertensives, nitrates, or other heart medications), or if you have a medical condition (especially herpes, kidney failure, and / or glaucoma). Keep out of the reach of children. Not made with wheat, gluten, soy, corn, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients that contain these allergens. Natural color variation may occur in this product. Store in a cool, dry, dark place after opening.
in 3 offers
The lowest price for Now Foods Sports Arginine & Citrulline 240 Veg Capsules right now is $40.98 at DailyVita, compared across 3 retailers.
The all-time low was $30.61 on 22 Jan 2026 — today's price is 34% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 6 June 2026.
Last updated at 06/06/2026 23:54:19
NOW Foods Arginine & Citrulline Veg Capsules (240)
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
NOW Foods Arginine & Citrulline 500 mg / 250 mg 240 Veg Capsules
Delivery $29.78
NOW Foods, Sports, Arginine & Citrulline, 240 Veg Capsules
Delivery $40
originally posted on iherb.com
From my personal experience, Now Sports Arginine & Citrulline benefits fell short compared to when I used Arginine from another brand. Despite the combination being intended to enhance nitric oxide production and improve blood flow, I didn't notice the same level of performance boost or endurance enhancement. The effects were quite underwhelming, leaving me disappointed. For me, a standalone L-Arginine supplement from another brand delivered much better results. If you're seeking significant performance improvements, you might want to consider sticking with pure Arginine supplements instead.
originally posted on iherb.com
I learned about this supplement from the Andrew Huberman podcast, a prominent Stanford scientist. As a scientist, I check the claims made by producers before taking supplements. I was convinced to use this supplement after reading several studies on its benefits. The thing I like about this particular brand is its potency. It has definitely been helpful for me in terms of feeling less adrenaline rushing into my head due to the stress I have in my professional life. Additionally, I feel less tired after a full day at work.
originally posted on iherb.com
I am from Malaysia and has been use this product since 1Jan23. I normally take 1 pill in the morning and another pill in the afternoon while I still take my high blood pressure medication - Telmisartan. I feel that this product relaxing my body and assisting me to control my high blood pressure. I measure my blood pressure almost everyday, I notice that even I skipped my high blood pressure medicine for few days but if I constantly taking this supplement twice a day my blood pressure still will under control and wont spike so high.After taking it more than 16 months, I do not felt any side effects and i think this is a safe supplement.
| Serving Size | 1 Veg Capsule |
| L-Arginine (Free-Form) | 500 mg |
| L-Citrulline (Free-Form) | 250 mg |
NOW Foods Arginine & Citrulline Veg Capsules (240)
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
NOW Foods Arginine & Citrulline 500 mg / 250 mg 240 Veg Capsules
Delivery $29.78
NOW Foods, Sports, Arginine & Citrulline, 240 Veg Capsules
Delivery $40
From my personal experience, Now Sports Arginine & Citrulline benefits fell short compared to when I used Arginine from another brand. Despite the combination being intended to enhance nitric oxide production and improve blood flow, I didn't notice the same level of performance boost or endurance enhancement. The effects were quite underwhelming, leaving me disappointed. For me, a standalone L-Arginine supplement from another brand delivered much better results. If you're seeking significant performance improvements, you might want to consider sticking with pure Arginine supplements instead.
I learned about this supplement from the Andrew Huberman podcast, a prominent Stanford scientist. As a scientist, I check the claims made by producers before taking supplements. I was convinced to use this supplement after reading several studies on its benefits. The thing I like about this particular brand is its potency. It has definitely been helpful for me in terms of feeling less adrenaline rushing into my head due to the stress I have in my professional life. Additionally, I feel less tired after a full day at work.
I am from Malaysia and has been use this product since 1Jan23. I normally take 1 pill in the morning and another pill in the afternoon while I still take my high blood pressure medication - Telmisartan. I feel that this product relaxing my body and assisting me to control my high blood pressure. I measure my blood pressure almost everyday, I notice that even I skipped my high blood pressure medicine for few days but if I constantly taking this supplement twice a day my blood pressure still will under control and wont spike so high.After taking it more than 16 months, I do not felt any side effects and i think this is a safe supplement.
First of all, I am a big fan of the NOW Foods products. I highly recommend them. As for this product - Arginine-Citruline blend. I usually take it in the morning on an empty stomach. I do recommend drinking more water throughout the day to increase its absortion - As it participates in the detoxification of your urea cycle. I am a male in my middle sixties and like all sports activities from running, weight lifting, tennis, etc... This gives me greater energy, strength and more stamina with performance. iHerb is the best place to get a great value.
I've been using these arginine pills for a few months now, and the results have been fantastic! I take them before my workouts, and they have definitely helped boost my endurance and performance. I feel like I can push harder and recover faster after intense training sessions. The pills are easy to take, and I've noticed an overall improvement in my energy levels throughout the day. I also appreciate that they support circulation, which I’ve felt in both my workouts and daily activities. Highly recommend these for anyone looking to enhance their exercise routine!
Been using NOW Foods Arginine & Citrulline for several weeks now. The quality is reliable - each capsule contains 500mg Arginine and 250mg Citrulline in a clean, vegan formula. Taking 2 capsules daily means the 120-count bottle lasts 2 months.Since starting, I've noticed better pumps during workouts and improved recovery. Love that it's non-GMO and made in a GMP facility. The capsules are easy to swallow and don't have any aftertaste.Pro tip: I take mine about 30 minutes before training for best results. Nice that it's keto-friendly and free from common allergens.Found my review helpful in making your decision? You know what to do! 😊Just ordered another bottle - this has become a staple in my workout supplement stack.
Ordered and received product in 2-3 days in GTA. Highly recommend Now brand as they're all about quality and effectiveness. Little brand advertising, all results. I've been using now foods brand for over 6 years now. Not only are they cheaper than competitors, they also put tons of R&D into their products. As someone who's always reading the back labels, I find their products are always well formulated in near perfect ratios. Rarely do I find competitor brands better priced, or even better results. Nowfoods has become my benchmark when I'm looking into new products/supplements.
I have atherosclerosis, ie inflammation inside arteries, calcium score of CAC 1188, and three clogged arteries of between 85-90% blocked. The surgeon aborted angioplasty while I was lying naked in the operating theatre when he realised from the angiogram how severely clogged my arteries were. He said that angioplasty would require him to insert multiple stents, some of which would rupture my arteries causing severe haemorrhage because my arteries were too stiff.He scheduled me for open heart triple bypass operation for grafting veins from my legs and chest to my heart. I declined to undergo this operation due to the risks and potential complications involved.Since taking L-Arginine & Citruline, my angina had greatly subsided. When i take four capsules an hour in ... MoreI have atherosclerosis, ie inflammation inside arteries, calcium score of CAC 1188, and three clogged arteries of between 85-90% blocked. The surgeon aborted angioplasty while I was lying naked in the operating theatre when he realised from the angiogram how severely clogged my arteries were. He said that angioplasty would require him to insert multiple stents, some of which would rupture my arteries causing severe haemorrhage because my arteries were too stiff.He scheduled me for open heart triple bypass operation for grafting veins from my legs and chest to my heart. I declined to undergo this operation due to the risks and potential complications involved.Since taking L-Arginine & Citruline, my angina had greatly subsided. When i take four capsules an hour in advance, I could even walk up eight flights of stairs to my home.I take about 20 capsules everyday, spread throughout a 24 hour period, especially before sleep, as it would greatly relieve my night angina, enabling me to sleep well rather than to sit up on the bed.You may also like to read Dr Caldwell Esselstyn's book. He advocated a totally vegan diet which would greatly reduce angina and cholesterol plaque within months. Those who strictly follow his vegan diet had attained a zero CAC calcium score within three years, in other words they had fully recovered.
use this in the morning, before workout and before sleep. great for fitness and for health issues. it is a part of the daily diet. Help with training and the body recovery and stamina .ingredient wise - Great combination research based l-arginine supplement than to take l-arginine alone. package in semi clear plastic jar which is easy to store and use. benefit muscle mass and blood vessels with less fatigue for men. does not have a taste - and although the capsules size are relatively big, it is not hard to swallow. good quality and brand we use a lot of. if this helped you in any way, please give this a "like". Thank you, and may you stay healthy!
If you read the reviews you will find all the benefits people has enjoyed from using this. I enjoy weight training and am sick and tired of the preworkouts that have "proprietary blends" and blends of stuff that do nothing for me. So I bought this here and I take 8 pills about 20 min before I work out, which equates to 4 grams of Arginine, I do weight about 220 so I need more according to my research. The pumps are amazing, I can't state that enough. You don't need to be buying these powders loaded with caffeine that contain who knows what that do nothing for you. With this stuff you get an amazing pump in your workout and you feel like you can keep going. Most preworkouts do not have a healthy dose of Arginine or Citrulline plus the crash you get with preworkouts ... MoreIf you read the reviews you will find all the benefits people has enjoyed from using this. I enjoy weight training and am sick and tired of the preworkouts that have "proprietary blends" and blends of stuff that do nothing for me. So I bought this here and I take 8 pills about 20 min before I work out, which equates to 4 grams of Arginine, I do weight about 220 so I need more according to my research. The pumps are amazing, I can't state that enough. You don't need to be buying these powders loaded with caffeine that contain who knows what that do nothing for you. With this stuff you get an amazing pump in your workout and you feel like you can keep going. Most preworkouts do not have a healthy dose of Arginine or Citrulline plus the crash you get with preworkouts later in the day. I add creatine to this after my workout and it makes for a great supplement that I can really feel the difference and it is affordable. For cycling, this supplement seems to give you better blood flow which helps alleviate cramps and brings more oxygen so you can push harder on the climbs and you seem to not get as tired
| Serving Size | 1 Veg Capsule |
| L-Arginine (Free-Form) | 500 mg |
| L-Citrulline (Free-Form) | 250 mg |
