Pre-Workout Boost Green Apple

product on market Powder XS 🟢 Safety: 100/100
Brand: XS
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 62% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

12 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
62% Evidence Coverage

Supplement Facts — Evidence Check

Calories
45 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
1.7 mg (131% DV)
✅ 1.3× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 1.7mg
23 mg NE (144% DV)
✅ 1.6× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 23mg UL 35mg
7.2 mg (424% DV)
📊 5.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 7.2mg UL 100mg
167 mcg (6958% DV)
📊 69.6× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.167mg
7 mg (140% DV)
✅ 1.4× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 7mg
1.025 Gram(s)
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 1.025mg
CarnoSyn
4 Gram(s)
3.4 Gram(s)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 3.4mg
200 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 200mg
115 mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 115mg UL 400mg
100 mg
📊 Market median: 300.0mg (122 products) 📚 22 studies (Tier A: 0, B: 7)
This product: 100mg

Other Ingredients

Malic Acid Natural Flavors Silicon Dioxide Rebaudioside M Stevia Leaf Extract Spirulina

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (48% of products) No Claim (1% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: Mix 1 level scoop with 12-16 fl oz of water. Stir and consume 15 minutes prior to training. No more than 2 servings per day.

⚠️ Warnings & Precautions

Warning: May cause flushing and/or tingling. Contains 115 mg of caffeine per serving.

Children under 12 years of age, pregnant women or nursing mothers, or anyone with a medical condition should consult with a physician before using this product.

Children under 12 years of age, pregnant women or nursing mothers, or anyone with a medical condition should consult with a physician before using this product.

No more than 2 servings per day.

🧪 Formulation Notes

Scoop. Shake. Perform Increase energy, focus and performance

Green Apple naturally flavored 4.0 g CarnoSyn beta alanine 3.4 g L-citrulline 100 mg Rhodiola rosea

Naturally sweetened

Free of gluten, dairy & soy

Outperform your best Level up your training with increased energy and focus!

Created with science-based ingredients and clinical doses of L-citrulline, L-theanine, CarnoSyn Beta alanine, and rhodiola rosea to help you crush your workouts. This is our most advanced pre-workout, infused with XS Muscle Multiplier essential amino acid blend, caffeine, and a mega dose of B-vitamins to help you push further, gain strength, and build muscle. CarnoSyn Carnosine Synthesizer

XS Pre-Workout Boost gives you maximum power, so you get more out of your training and experience more! When combined with regular weight/resistance training and a healthy balanced diet

Made in the USA Made in the USA with premium ingredients from around the globe.

Additional Information

Store in a cool, dry place.

Product Details

UPC / SKU 8 50029 60204 0
DSLD Entry Date 2025-03-25
Product Type Other Combinations
Form Powder
Brand XS
DSLD ID 328175
Data Updated 2026-04-11

Research Evidence

22 Research Sources
49 Avg Quality Score
8 Rct
4 Meta Analysis
4 Clinical Trial
3 Systematic Review
1 Cochrane Review
1 Regulatory Source
B Effect of vitamin B2, vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
Systematic Review BMJ open 2024
PubMed DOI
B Effect of Vitamin B2 supplementation on migraine prophylaxis: a systematic review and meta-analysis
Meta Analysis Nutritional neuroscience 2022
PubMed DOI
B Supplementary vitamin E, selenium, cysteine and riboflavin for preventing kwashiorkor in preschool children in developing countries
Systematic Review The Cochrane database of systematic reviews 2010
PubMed DOI Cochrane
B Riboflavin supplements for blood pressure lowering in adults.
Cochrane Review The Cochrane database of systematic reviews
PubMed DOI Cochrane
B Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2022
PubMed DOI
C Prophylaxis of migraine headaches with riboflavin: A systematic review
Systematic Review Journal of clinical pharmacy and therapeutics 2017
PubMed DOI
C Medium-dose riboflavin as a prophylactic agent in children with migraine: a preliminary placebo-controlled, randomised, double-blind, cross-over trial
Rct Cephalalgia : an international journal of headache 2010
PubMed DOI
C The efficacy of 2 different phakic intraocular lens implant in keratoconus as an isolated procedure or combined with collagen crosslinking and intra-stromal corneal ring segments: a systematic review and meta-analysis
Meta Analysis International ophthalmology 2023
PubMed DOI
C Epithelium-off photochemical corneal collagen cross-linkage using riboflavin and ultraviolet a for keratoconus and keratectasia: a systematic review and meta-analysis
Meta Analysis The ocular surface 2014
PubMed DOI
C Improvement of migraine symptoms with a proprietary supplement containing riboflavin, magnesium and Q10: a randomized, placebo-controlled, double-blind, multicenter trial
Rct The journal of headache and pain 2015
PubMed DOI
View all evidence for Riboflavin →

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