1 Product identity

Ingredient risk

4 ingredients to use with caution

Competitive Mass

Name: Competitive Mass
Brand: Lee Haney's Nutritional Support Systems

BrandLee Haney's Nutritional Support Systems→Other Combinations Powder 55 ingredients 4 caution DSLD #12990

Net contents: 910 g

Target: Adults and Children 4 years and above

DSLD entry: 2012-10-25

2 Ingredients (55)

IngredientGroupSafety

CaloriesCalories—

Calories from FatCalories—

Total FatFat (unspecified)—

Saturated FatSaturated fat—

Trans FatTrans fat—

CholesterolCholesterol—

SodiumSodiumConditionally Safe

Total CarbohydratesCarbohydrate—

Dietary FiberFiber (unspecified)—

SugarSugar—

ProteinProtein (unspecified)—

Vitamin B6Vitamin B6Use with Caution

MagnesiumMagnesiumUse with Caution

ZincZincUse with Caution

Creatine MonohydrateCreatineGenerally Safe

L-GlutamineGlutamineConditionally Safe

CinnamonCinnamonUse with Caution

Glucosamine SulfateGlucosamine Sulfate—

MSMMethylsulfonylmethaneGenerally Safe

Deer AntlerDeer Velvet—

Tongkat Ali RootEurycoma Longifolia—

Rhodiola rosea extractRhodiola Conditionally Safe

Alpha Lipoic AcidAlpha Lipoic Acid—

OctacosanolOctacosanol—

Branch Chain Amino Acid ComplexBlend (Amino Acid/Protein)—

IsoleucineIsoleucine—

LeucineLeucine—

ValineValine—

Essential Amino Acid ComplexBlend (Amino Acid/Protein)—

ArginineArginine—

HistidineHistidine—

LysineLysine—

MethionineMETHIONINE—

PhenylalaninePhenylalanine—

ThreonineTHREONINE—

TryptophanTryptophan—

Adaptogen-XBlend—

AlanineAlanine—

Aspartic AcidAspartic Acid—

CystineCystine—

Glutamic AcidGlutamic Acid—

GlycineGlycineGenerally Safe

ProlineProline—

SerineSerine—

TyrosineTyrosine—

Essential Fatty Acid ComplexBlend (Fatty Acid or Fat/Oil Supplement)—

Alpha-Linolenic AcidAlpha-Linolenic Acid—

Linoleic AcidLinoleic Acid—

Oleic AcidOleic Acid—

Other Fatty Acids & PhytonutrientsBlend (Combination)—

instantized Whey concentrateWhey—

MaltodextrinMaltodextrin—

Lecithinlecithin—

natural Vanilla flavorVanilla—

SucroseSucrose—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

Zinc — Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].

Cinnamon 🇪🇺 — Coumarin TDI 0.1 mg/kg BW/day. Cassia type exceeds limits at typical supplement doses.

3 Safety cross-reference

Sodium — Conditionally Safe

⚠ Hypertension

⚠ Fluid retention

Vitamin B6 — Use with Caution

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

Zinc — Use with Caution

⚠ Copper deficiency at >40 mg/day

⚠ Nausea, metallic taste

Creatine — Generally Safe

⚠ Water retention

⚠ Weight gain

L-Glutamine — Conditionally Safe

⚠ Hepatic encephalopathy risk

⚠ May elevate ammonia

Cinnamon — Use with Caution

⚠ Cassia: high coumarin (hepatotoxic)

⚠ May lower glucose

Glucosamine — Limited Evidence

⚠ Shellfish allergy

⚠ May affect glucose

Methylsulfonylmethane — Generally Safe

⚠ GI effects

⚠ Headache

Tongkat Ali — Limited Evidence

⚠ Mercury contamination in some products

⚠ Hormonal effects

Rhodiola — Conditionally Safe

⚠ Insomnia if taken late

⚠ MAOI-like activity

Glycine — Generally Safe

⚠ Well tolerated

4 Label claims

• Nutrient

• All Other

• Structure/Function

5 Data source

DSLD ID12990

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2012-10-25

6 More from Lee Haney's Nutritional Support Systems

View Lee Haney's Nutritional Support Systems Safety Scorecard → 4 products

Age Management Pack Life's Vitality Multi Vitamin/Mineral Complex Parasite Detox

7 Cite this page

Vancouver

Pkhakadze G. Competitive Mass — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 26]. Available from: https://supplement.ge/products/dsld-12990/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG