Vitamin E 30IU – Vitamin E does help testosterone circulate through the body, but it only causes issues if it’s deficient and taking extra doesn’t really have any benefits. It is incredibly rare in otherwise healthy people and is normally caused by illness [1].
Vitamin B6 and Vitamin B12 – These are quite highly dosed in comparison to you daily needs and taking an extra hit of these vitamins is particularly beneficial for energy levels, they have a minor impact on testosterone levels, but there’s nothing more than you’d get from most energy drinks.
Zinc 1.5mg – This is possibly the oddest choice in HighT Black’s vitamin blend. Zinc deficiency is relatively common and supplementing men (potentially one in four by some studies) with this deficiency has been shown to raise testosterone levels significantly. [2]
Raspberry Ketones 200mg – Raspberry ketones were in a lot of weight loss aids about 6 years ago, there were some rat studies that showed them to be effective for this. However, this did not translate to humans and most good supplements have removed them from their formulas. This shows HighT Testosterone Boosters to be somewhat outdated.
Caffeine Anhydrous 200mg – So, the main benefit here is the energy boost, technically caffeine can slightly raise testosterone levels, but you do also have the option to just have a cup of coffee in the morning. It’s also not one of the better test boosting ingredients.
HighT Black Blend (Fenugreek, Longfolia and Rhosea) 900mg – There are some good ingredients in this blend. Fenugreek and Longfolia are pretty decent, Rhosea however is actually more of a mood booster, it doesn’t do anything for T levels. The catch is Fenugreek dosages are usually higher than the entire blend to be effective, although Longfolia or Longjack could technically be dosed in line with recommendations at 200-400mg [3][4]. However, even longjack does not seem to have much effect in healthy men only in those with low test levels.
Nitric Oxide Booster Blend 1600mg – This is great for a nitric booster, but again it won’t help your T levels. It may have some application in erectile function, and some other lethargy as a result of low test levels. It could theoretically allow you to work out harder, so this could help build more lean muscle mass, which is one of the most common reasons people look for a testosterone supplement.
1 - https://www.ncbi.nlm.nih.gov/books/NBK519051/
2 - https://pubmed.ncbi.nlm.nih.gov/8875519/
3 - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4085925/
4 - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4707424/
5 - https://pubmed.ncbi.nlm.nih.gov/8770664/