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Source Naturals L-Arginine, 100 Tabs, 1000 Mg

4.4 out of 5 stars 36 customer reviews

Price: £16.81 (£123.53 / kg) & FREE UK Delivery on orders dispatched by Amazon over £20. Delivery Details
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6 new from £11.52 1 open box from £12.12
  • Package Description: 100 Tablets
  • Serving Size: 1 Tablet
  • Number of Servings: 100
  • Unit Type: Each
£16.81 (£123.53 / kg) & FREE UK Delivery on orders dispatched by Amazon over £20. Delivery Details Only 8 left in stock - order soon. Sold by Premium Suppliers and Fulfilled by Amazon. Gift-wrap available.

Frequently bought together

  • Source Naturals L-Arginine, 100 Tabs, 1000 Mg
  • +
  • Source Naturals Pine Bark Extract, 60 Tabs, 150Mg
  • +
  • Source Naturals L-Citrulline, 120 Tabs, 1000 Mg
Total price: £52.37
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Product description

L-Arginine is a crystalline, free-form amino acid. It is an important factor in muscle metabolism and works to transport, store, and excrete nitrogen. It is a precursor for nitric oxide, which promotes increased circulation by relaxing blood vessels.


Product information

Weight135 Grams
BrandSource Naturals
  
Additional Information
ASINB0014H36QI
Best Sellers Rank 27,602 in Health & Personal Care (See top 100)
Shipping Weight113 g
Delivery Destinations:Visit the Delivery Destinations Help page to see where this item can be delivered.
Date First Available3 Aug. 2011
  
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Customer Questions & Answers

Customer Reviews

4.4 out of 5 stars
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Top Customer Reviews

Verified Purchase
Product is good but my rating is due to the incredible price hike since last month when i last ordered - £8.50 to now over £ 14 ! For whatever the reason may be that's an incredible increase, and so I wont be buying again, there are many similar products with just as good reviews. Congrats... you've just lost a customer.
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Verified Purchase
6mg taken with L-glutamine on an empty stomach as is the recognised gym custom. Although on the bottle it does recommend eating after a meal. Took a week or so to notice the effects but definately noticed improved blood flow and faster recovery times almost from the biginning. I did experience some side effects from the L-Arginine, such as flatulence, restless at night (insomnia) and the worst of all, stomach cramps. However, the flatulence disappeared after a few weeks as the system adapted, as did the insomnia. The stomach cramps continue but can be minimised by drinking a small glass of milk or eating a go-bar when taking the L-Arginnie. However, the side effects are more than cancelled out by the clear benefits gained and I recommend giving them a go, but don't expect immediate results as therapeutic levels have to build up. Finally, the side effects will vary from person to person and should not be of concern unless you are recieving medication, such as blood thinners ie aspirin or warfarin for cardiac or circulatory conditions, as L-Arginine acts as a vaso dilator. If in any doubt seek medical advice before starting them.
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Verified Purchase
My 3 decades of M.E./CFS is in remission due to 5 supplements including this one.

Early days but I am now doing weight training!! and DIY!!! and I can make my own bed!! and cook a meal!!! (sufferers will know where I am coming from).

Please give them a try if you have M.E./CFS I have made a public list, I think you can access it by clicking on my profile?

There are sub groups of sufferers, so I genuinely hope you are one of the ones, like myself who will benefit from these supplements (nothing works for everyone).

Good luck.
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Verified Purchase
I bought this along with Pycnogenol to boost my libido.
I daresay it works; if taken correctly for a at least a month - in the correct doses: 2000 mg L Argenine in the Morning on an empty stomach plus 100mg Pycnogenol followed by 1000mg L Argenine and 50mg Pycnogenol in the evening.
I noticed an increased noticeable difference after a months use - morning glory is given a new meaning, and spontaneous uncontrollable episodes in public - sometimes embarrassing and worthy of a Teenager - so keep a picture of Stephen Fry in your pocket as an antidote.

Now for the reason why this has 3 Stars. the SIDE EFFECTS of L Argenine (not Pycnogenol). GOUT. The L Argenine massively increases your Uric Acid levels.
I already had two minor bouts of Gout since January - taking the L Argenine caused it to flare up to an excrutiating painful episode which has lasted TWO WEEKS.
I didn't know at first, but I was utterly perplexed at how Gout had flared to such painful horrible levels when I was taking the Medication for it and watching what I eat and when my two previous bouts were relatively minor. I looked into reports about L Argenine on the Web and was shocked to discover that it's a well known side effect - Uric Acid.

So if you have Gout - AVOID and stick to just Pycnogenol which I did and which is excellent if expensive.
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Verified Purchase
Great improvements have been noticed while taking arginine:
- Increased muscle strength
- Feels like my body has more energy
- Improved libido
- Better sex

The bottomline: the pills are huge.
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Have used these L-Arginine tablets for quite a while now and they are still working for me. My circulation certainly receives a boost for both my general health, heartwise, and my sexual prowess, for want of a better description.
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Verified Purchase
Certainly improves the circulation, great for my age as a pensioner keeps the sex life going.
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Verified Purchase
Bought this product for my husband who has not had much effect. The prescribed dose of 1 tablet, 3 times daily is not sufficient. Increased to taking 5 daily seem to help him feel more relaxed and sleeps better. He is planning to increased the dose even further which he believes will be more effective.
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