Nutrient quality
Ingredient forms and dosing are well aligned with the intended use. The focused formula avoids obvious excesses and low-value additions.
Vitacost | $ 52.69 | |
Amazon | $ 52.00 | |
Vitacost | $ 52.00 | |
| $ 52.00 | ||
| $ 52.00 |
The 650 mg serving provides l-lysine alongside L-Leucine and L-Isoleucine in ounce(s). The high-dose amount sits within a broader formula, so each included ingredient should fit the intended use.
The amount is stated, but the supplied information leaves some formulation detail unspecified. Value is a notable trade-off compared with more economical options, and the broader ingredient list needs more careful comparison with simpler alternatives.
The strongest practical fit is hair health, with related assessments also supporting lysine-focused use. The main decision is whether 650 mg and the ounce(s) format match the user's preferred routine and budget.
Ingredient forms and dosing are well aligned with the intended use. The focused formula avoids obvious excesses and low-value additions.
Most active amounts are disclosed and core ingredients are identifiable. Missing serving, blend, or excipient details keep the label from being fully transparent.
The aggregate rating is strong and supported by a useful volume of ratings. Specific feedback was not supplied, so recurring complaints and purpose fit remain uncertain.
The core formula offers acceptable value, but serving efficiency is only moderate. Weak extras or category competition reduce the practical return.
Lysine, cystine, methionine, and a complete essential-amino-acid profile provide building blocks for hair keratin. Lysine reaches a useful supporting amount, while cystine is moderate and methionine is light.
The powder offers focused structural nutrition but does not address iron, zinc, vitamin D, or hormonal contributors to shedding. It contains phenylalanine, so people with phenylketonuria should avoid it.
No linked studies yet.
| Ingredient | Amount per serving |
|---|---|
Calories | 25 Calorie(s) |
Total Carbohydrates | 1 Gram(s) |
L-Leucine | 1.25 Gram(s) |
L-Lysine (L-Lysine Chloride) | 650 mg |
L-Isoleucine | 625 mg |
L-Valine | 625 mg |
L-Threonine | 350 mg |
L-Histidine (L-Histidine Hydrochloride Monohydrate) | 150 mg |
L-Cystine | 150 mg |
L-Phenylalanine | 100 mg |
L-Methionine | 50 mg |
L-Tyrosine | 30 mg |
L-Tryptophan | 20 mg |
The preferred L-form is clearly disclosed within a complete essential-amino-acid powder. Its amount sits at the low end for methionine and is far below a focused standalone dose. The high serving cost is better explained by the full amino acid profile than by methionine delivery alone.
Free-form L-valine is clearly disclosed, but the 625 mg serving is well below the collection benchmark. The standard powder format is practical for mixing, though no micronization or sport-specific certification is stated. The cost per gram is high, which limits value for someone focused mainly on valine.
The powder uses clearly listed free-form L-isoleucine, but the 625 mg serving is well below the collection benchmark. Source, micronization, and independent testing details are absent from the supplied label data. A high serving cost further weakens its fit when isoleucine is the priority.
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.