RSP Nutrition Prime-T Testosterone Booster Review

RSP Nutrition Prime-T Testosterone Booster Review

RSP Nutrition have a great looking testosterone booster with their Prime-T supplement.

However, it omits some very obvious and beneficial ingredients that leaves this feeling mediocre.

LAST UPDATED: May 2019 by Ben.

Prime-T First Look

Have you ever considered how a natural testosterone booster can positively impact your life?

It is 6am and I am staring at the screen.

I feel shattered, my body is drooping over the keyboard and I know tonight is weights night.

I just have to get through a day of work and what ever nonsense that may unearth before I can return later today to then do my laundry, wash the dishes, cook and then hit the iron.

However, right now, that does not seem appealing.

I feel low on energy and overall I just feel low on testosterone. The magic seems to have disappeared.

I can recall sometimes cycling 29 miles home after work before then smashing it up in the gym and cycling home after that in the pissing rain.

I never grumbled, I never felt horrifically exhausted. Not like I do now.

This is why I am looking at a bottle of Prime-T from RSP. I am hoping it can raise my testosterone levels and in turn, raise my energy.

I have come across the ZMA from RSP a long time ago and it wasn’t too bad at all, and it encouraged sleep.

The problem is, I do not need encouragement to sleep, I just need time to sleep.

This does follow the same format of design as the other RSP products which at least emits some sort of corporate family face; this can help instill some trust in a brand.

It looks professional, it looks reliable and good enough that on image alone you will hand over those dollar bills.

TL:DR -Video

Who’s RSP Nutrition?

The first thing I see when I go to the RSP Nutrition website is an advert for  protein brownie that looks very nice.

However, it is evident that RSP are a nutrition brand that covers pretty much every aspect of fitness nutrition.

They sell everything, including funnels and tee-shirts. It is a one stop shop.

Therefore, with such a large degree of products and with them all looking so professional you would hope that these strive for the best.

However, there is also a back story to RSP.

It was established by a number of former student athletes who say they wouldn’t sell anything that they wouldn’t take themselves.

Now this sounds honorable. But really, as long as it is not bad for your health why would you not take it?

I could tell you that fries don’t make you fat, and to prove this I will eat some fries, because why would I sell you fries if I wouldn’t eat them myself?

Saying that you would take something doesn’t mean it is effective or the best. It’s just not going to kill you….you hope.

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Prime-T Claims

RSP say that their testosterone booster supplement will help in 4 vital areas of men’s health.

These are:

Promotes a healthy prostate

Increase muscle

Improves vitality 

Supports serum

I am assuming it means that this product supports testosterone serum and not that serum women apply to their faces.


Ingredients: The Science

rsp nutrition prime-t ingredients panel

– Vitamin D

This vitamin is often called the sunshine vitamin but actually is more like a hormone than anything else.

We get the most D3 from the sunlight, however, this is where many people become deficient in D3 because they do not get enough.

This could be due to working hours or worries regarding skin cancer.

Some foods contain D3 like egg yolks but to get the recommended 2000iu per day a lot of these foods would be required.

Studies in to D3 and its effects have noted increased levels of testosterone. [1] [2]

– Niacinamide (Vit B3)

There’s some promising scope for niacin, particularly for cholesterol levels and Alzheimers sufferer’s.

However, just at the moment there’s not enough solid evidence to confirm that niacin can thoroughly benefit either area.

Annoyingly niacin can also increase insulin resistance which can lead to weight gain and type 2 diabetes.

This product contains 100% of your recommended daily intake, so then having more from food sources i may have a negative effect. [3] [4]

– Folate (B9)

Folate helps your body absorb nutrients from the colon. It is also necessary for women who are wishing to conceive.

However, if taken in high doses for long periods of time it may lead to cancer of the colon.

The problems is that many western countries have food available which is fortified with folic acid, therefore it will be difficult to track exactly how much you are taking. [5]

– Vitamin B12 (cyanocobalamin)

Vitamin B12 can help increase test levels and fight the flab while increasing your energy.

Studies have found that there is a correlation between people who suffer from anemia who cannot absorb B12 who are also low on testosterone.   [6] [7]

– Zinc

Zinc is a great testosterone booster, estrogen regulator and aphrodisiac. 

The problem is that we can lose a lot of zinc when we are sweating, so if you are fond of hardcore gym sessions or live in a hot climate you will need to replenish your zinc levels.

You could do that by eating lots of oysters or just take a supplement. It is important that vegans or vegetarians may also suffer from low levels of zinc. [8]

– D-Aspartate (DAA)

Studies have demonstrated that DAA is a great way to help increase your natural production of testosterone.

There is also evidence to prove that DAA will increase fertility.

It is a non essential amino acid and can work the brain to release more hormones.

For DAA to be effective we need a minimum of 2000mg.

Don’t buy a natural test booster without it! [9]

– Fenugreek

Fenugreek is a proven ingredient as found in our benchmark testosterone boosting product; Testofuel.

This is because clinical trials saw that not only was libido and muscular strength increased when the subjects were dosed with 600mg of fenugreek a day, but they saw a rise in their testosterone levels too. [10]

– Maca Root

There are lots of claims thrown around regarding how beneficial maca can be.

One is libido and increased sperm production. This then naturally would tie in with an increase of testosterone, or so you would think.

However, there’s no link to maca and testosterone being either increased or decreased.

If you are looking to increase libido or improve sperm count look to dose over 1500mg.

This supplement only has 300mg per day so not a great deal of benefit is coming from this. [11]

– DIM (Diindolylmethane)

Ever wonder why so many athletes eat broccoli?

It is partly because it is a good source of DIM that can help lower estrogen levels.

Now that broccoli and chicken breast is starting to look a whole lot more appealing.

And so it should, DIM is a great way to ensure that test levels can peak and reach an optimal level. [12]

– Safed Musli Extract (Chlorophytum Borivilianum)

The studies surrounding safed are thin on the ground, what we can establish is that doses of around 500mg have seen an improvement of sperm quantity.

Evidence of increased testosterone levels have shown a slight increase but nothing significant.

The problem is that this supplement offers half of what provided that fairly positive test result. [13]

– Boron

Boron is never really given the praise that it deserves and as such is hardly ever found in any testosterone boosters.

Yet, at just 10mg per day boron can have a positive impact on testosterone levels and reduce inflammation levels.

Which is why I find it odd that this supplement from RSP only offers 5mg per day. [14]

– BioPerine

Bioperine does not increase test levels. It does not improve libido, reduce fat mass or make you feel happy.

So you may wonder why it is included.

However, bioperine actually helps the absorption of all of your other ingredients, just so they can be as effective as possible.

Because if they’re not absorbed properly you’ll not get the most from them. [15]

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How to take Prime-T

4 capsules per day which is an optimal amount.

However, it is suggested all 4 are taken just before you go to sleep in the evening, or morning if you do shift work.

We would recommend that you have at least 4 tablets spread evenly across the day, as per the best testosterone booster on the market.

If you get too much of certain ingredients, that what the body doesn’t need at the time will be wasted and you will not feel the benefit.

With a daily dose of 4637.8mg you have an excellent amount for your body to work with.


Pros

There are some excellent ingredients included in Prime-T which are so often only found in the best testosterone boosters.

D-Aspartic Acid and D3 are the cornerstone of a testosterone booster which can elevate it from mediocre to good. These are key ingredients.

Then there’s B12, Magnesium and Zinc which again are key players due to being able to maintain and stimulate testosterone levels.

Fenugreek is another excellent addition and found in TestoFuel which I saw great results with.

DIM is essentially found in vegetables such as Broccoli, athletes are known to eat broccoli raw and daily as it prevents your estrogen levels getting too high.

NFL player David Carter eats broccoli as his meal plan.

picture of david carter ex NFL player eating raw broccoli

Boron is another testosterone boosting nutrient and it also prevents inflammation which can suppress testosterone production.

Too much (chronic) inflammation can also open the flood gates to obesity. [16]

BioPerine or black pepper helps your body absorb the nutrients and Folate prevents loss of nutrients from the bowl.


Cons

I am surprised to see the omission of B6 from Prime-T; B6 is the very foundations of a testosterone booster along with Magnesium and Zinc, this is known as a ZMA supplement.

It would also have been good to replace Maca, Safed and Niacin with ingredients that actually work and have studies to prove this with ingredients such as:

It is unfortunate that RSP included a number of ingredients that are considered effective based on anecdote rather than scientific studies.

As a result, this is why Prime-T does not come close to those test boosters in the top 3.


RSP Nutrition Prime-T Testosterone Booster Review Conclusion

This is not a bad product at all.

Prime-T contains some of the most key and effective ingredients to stimulate more testosterone production.

It also has a great whacking daily dose as well to help things along.

However, it does have its flaws…

For all of its great additions it also contains 3 ingredients that have no conclusive scientific backing to their effectiveness.

Instead they should have included a couple more ingredients that are known to work and therefore they would have had a more complete supplement on their hands.

This is good, but it is not quite up there with the best just yet. That said, with a few minor amendments it would be.

Check out what the better options, here.


References

[1] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3712348/

[2] http://www.catie.ca/en/treatmentupdate/treatmentupdate-185/nutrition/can-vitamin-increase-testosterone-concentrations-men

[3] https://www.nlm.nih.gov/medlineplus/druginfo/natural/924.htm

[4] https://examine.com/supplements/vitamin-b3/

[5] http://www.webmd.com/vitamins-supplements/ingredientmono-1017-Folate+FOLIC+ACID.aspx?activeIngredientId=1017&activeIngredientName=Folate+(FOLIC+ACID)&source=2

[6] http://umm.edu/health/medical/altmed/supplement/vitamin-b12-cobalamin

[7] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2645631/

[8] https://examine.com/supplements/Zinc/

[9] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2774316/

[10] http://www.ncbi.nlm.nih.gov/pubmed/21312304

[11] https://examine.com/supplements/Maca/

[12] https://www.ncbi.nlm.nih.gov/pubmed/12840226

[13] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902593/

[14] https://examine.com/supplements/boron/

[15] http://www.ncbi.nlm.nih.gov/pubmed/9619120

[16] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5507106/

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Ben [BA(Hons)]

Ben established this site to be a free resource in 2015. Since then it has gained over half a million visits. He has always been interested in sport and he started playing rugby at the age of 6 represented his town, county and school. Ben also enjoys cycling, has started skiing and is in the Army Reserve representing his Regiment as part of the 150 Regimental Shooting Team.

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