1 Source Supplements OTS - Off The Spectrum Stim Pre-Workout
| L-Citrulline | 3500mg | 7000mg | ** |
| Betaine Anhydrous | 1250mg | 2500mg | ** |
| GlycerSize® | 1000mg | 2000mg | ** |
| L-Tyrosine | 1000mg | 2000mg | ** |
| Vitacholine® | 600mg | 1200mg | ** |
| Taurine | 500mg | 1000mg | ** |
| Cocomineral® | 500mg | 1000mg | ** |
| Lions Mane | 300mg | 600mg | ** |
| Caffeine Anhydrous | 200mg | 400mg | ** |
| NeuroPEA® (as Eria Jarensis Extract) | 150mg | 300mg | ** |
| Pine Bark Extract | 150mg | 300mg | ** |
| Pink Himalayan Salt | 125mg | 250mg | ** |
| Macuna Pruriens 98% | 100mg | 200mg | ** |
| Cocoabuterol® | 50mg | 100mg | ** |
| AstraGin® (as Panax Notoginseng and Astragalus Membranceus) | 17.5mg | 35mg | ** |
Where this label comes from
Read by Reverse Age Lab on 29 October 2026 from empire-supplements.com, after the NIH stopped adding labels.
General information
- Product name
- 1 Source Supplements OTS - Off The Spectrum Stim Pre-Workout
- Brand
- Muscle Empire
- Barcode (UPC)
- Not printed
- Net contents
- 434G
- Market status
- On market
- Label ID
- s45854
Classification
- Supplement form
- Powder
- Product type
- Other Combinations
- Claim types on the label
- Structure/Function
- Claims on the label
- Nootropic based stim pre-workout, Raspberry Lemon Sherbet
Label statements
Suggested use: Please consider your own tolerance levels prior to use. We recommend taking 1 scoop (10.8g) mixed with 250ml of water 20–30 minutes prior to training if new to stimulants. Advanced users may benefit from taking two scoops (21.7g). Do not exceed more than 1 serving in any 24hr period. Do not use within 5hrs of bed time.
Warnings: Food supplements should not be used as a substitute for a varied, balanced diet. Not recommended for use by anyone under 18 years of age. Consult your doctor prior to use if you are taking any medication or suffer from any pre-existing medical conditions. High caffeine content (400mg per serving). Not suitable for children or pregnant or breastfeeding women.
Other: Ingredient list under panel: L-Citrulline, Betaine Anhydrous, GlycerSize®, L-Tyrosine, Vitacholine®, Taurine, Cocomineral®, Lions Mane, Caffeine Anhydrous, NeuroPEA® (Eria Jarensis Extract), Pine Bark Extract, Pink Himalayan Salt, Macuna Pruriens 98%, Cocoabuterol®, AstraGin® (Panax Notoginseng and Astragalus Membranceus) Colouring (E122, E133).
More labels from Muscle Empire
Labels only: each label is shown as printed on the bottle, with no grades, rankings or advice. A label in this database is not an endorsement of the product. Read the label on the bottle you buy: makers change their formulas. Reverse Age Lab is not affiliated with, or endorsed by, the National Institutes of Health or its Office of Dietary Supplements. The original labels come from the NIH’s public-domain data; the labels since are read by us. Search the Dietary Supplement Label Database.