Safety guide · United States
Is FitLine safe? Side effects & US labels
FitLine is a product range, not one formula. Possible effects and precautions depend on the exact SKU, dose, caffeine, allergens, medications and individual health.
Popular US questions
Your questions, answered
Is FitLine safe?
Safety cannot be answered at brand level. FitLine includes powders, capsules, liquids and cosmetics with different ingredients and warnings. Evaluate the exact US SKU, labeled serving, caffeine, allergens, medicines and health conditions. Stop use and seek urgent care for a severe allergic or cardiovascular reaction.
What are the most common possible side effects?
Possible unwanted effects depend on the formula. Caffeinated products may cause restlessness, sleep disruption, tremor or palpitations. Powders and concentrated ingredients may cause nausea, bloating or bowel changes. Public reports do not establish frequency, and persistent symptoms require professional assessment.
Which FitLine products contain caffeine?
Current structured data confirms 30 mg per stated daily portion for Activize Oxyplus and PowerCocktail, with caffeine carried into sets containing them. Matching ProShape Vanilla label data lists 3.4 mg per serving. Other products may require current-label confirmation rather than an assumption.
Can several FitLine products be combined?
Do not assume every product is intended to be stacked. Combining products can duplicate vitamins, minerals, caffeine or other ingredients. Add totals across the full day, follow each package direction and ask a clinician or pharmacist when using medicines or managing a medical condition.
Can FitLine be used during pregnancy or breastfeeding?
Do not extrapolate general adult directions to pregnancy or breastfeeding. Ingredient tolerance, caffeine limits and nutrient needs can change, and some multi-ingredient products may be unsuitable. Use only with advice from a qualified clinician who can review the exact current label and total diet.
Can children take FitLine products?
Only use a product for a child when the current package explicitly supports the child’s age and provides age-specific directions. A “Junior” name is not permission to scale an adult serving. Check the full label and obtain pediatric guidance when the information is incomplete.
Can FitLine interact with medicines?
Potential interactions depend on ingredients, dose, health conditions and the medicine involved. A general website cannot screen them reliably. Bring the current label to a pharmacist or clinician, especially for cardiovascular, endocrine, kidney, liver or anticoagulant treatment and before surgery.
Is FitLine FDA approved?
Dietary supplements generally are not approved by FDA before sale in the way prescription drugs are. Manufacturers and distributors remain responsible for safety, labeling and lawful claims. FDA registration, compliant manufacturing language or sale in the United States should not be described as product approval.
1. Caffeine and stimulant sensitivity
Selected FitLine powders disclose caffeine. Possible unwanted effects can include restlessness, sleep disruption, palpitations, tremor, headache or gastrointestinal discomfort, especially when combined with coffee, tea, energy drinks or pre-workout products.
| Product | SKU | Current disclosure | Package |
|---|---|---|---|
| Activize Oxyplus | 0708054 | 30 mg per stated daily portion | 175 g total · 105 portions of 1.67 g |
| Optimal-Set | 9700731 | 30 mg per stated daily portion | PowerCocktail: 450 g / 30 portions · Restorate Citrus: 201 g / 30 portions |
| Optimal-Set 50+ (PowerCocktail, Restorate Exotic, Generation 50+) | 9700164 | 30 mg per stated daily portion | PowerCocktail 450 g · Restorate Exotic 201 g · Generation 50+ 150 g |
| Optimal-Set 50+ (PowerCocktail, Restorate, Generation 50+) | 9700162 | 30 mg per stated daily portion | PowerCocktail 450 g · Restorate Citrus 201 g · Generation 50+ 150 g |
| Optimal-Set (Activize + Basics + Restorate Citrus) | 97001079 | 30 mg per stated daily portion | Activize 175 g / 105 portions · Basics 360 g / 30 packets · Restorate Citrus 201 g / 30 packets |
| Optimal-Set (Activize + Basics + Restorate Exotic) | 9700979 | 30 mg per stated daily portion | Activize 175 g / 105 portions · Basics 360 g / 30 packets · Restorate Exotic 201 g / 30 packets |
| Optimal-Set (PowerCocktail + Restorate Exotic) | 9700977 | 30 mg per stated daily portion | PowerCocktail 450 g / 30 portions · Restorate Exotic 201 g / 30 portions |
| PowerCocktail | 0705067 | 30 mg per stated daily portion | 450 g total · 30 portions of 15 g |
| Set Restorate + Activize Oxyplus | 9700248 | 30 mg per stated daily portion | Activize 175 g / 105 portions · Restorate Citrus 201 g / 30 packets |
| TopShape Starterset (TopShape + PowerCocktail + Restorate Citrus) | 9700093 | 30 mg per stated daily portion | TopShape 180 capsules · PowerCocktail 450 g · Restorate Citrus 201 g |
2. Duplicate vitamins, minerals and other ingredients
Using several products together can duplicate nutrients. Add the amounts across supplements rather than assuming every product is intended to be stacked.
3. Allergens and intolerance
Review the complete Other Ingredients or INCI, not only the front label. Products may contain or be manufactured with milk, soy, fish or other relevant ingredients depending on the SKU and version.
4. Medicines and health conditions
Ask a qualified clinician or pharmacist before use when taking prescription medicines, managing cardiovascular, kidney, liver or endocrine conditions, or preparing for surgery. A product guide cannot reliably screen individual interactions.
5. Pregnancy, breastfeeding and children
Do not extrapolate adult directions to pregnancy, breastfeeding or children. Follow explicit package age restrictions and obtain professional guidance when the label does not clearly address the situation.
6. Gastrointestinal effects
Powders containing fiber, concentrated vitamins, sweeteners or other ingredients can cause nausea, bloating or bowel changes in some users. Stop and reassess if symptoms are persistent or significant.
7. How to reduce avoidable risk
- Use the exact US SKU and current physical package.
- Start only one new supplement at a time.
- Do not exceed the labeled serving.
- Count total caffeine and duplicate nutrients.
- Keep the package available if a reaction occurs.
- Report serious adverse events to a healthcare professional and the appropriate US reporting system.
Product-specific guides: Activize Oxyplus · PowerCocktail · Basics · C-Balance · Restorate Citrus.
Quick answers
Frequently asked questions
Are all FitLine products caffeinated?
No. Caffeine varies by product. Some current listings disclose an exact amount; other products are topical cosmetics or do not identify caffeine in the accessible catalog text.
Does “natural” mean side-effect free?
No. Natural origin does not guarantee safety, suitability or absence of interactions.
Are FitLine supplements FDA approved?
FDA generally does not approve dietary supplements or their labeling before sale. Manufacturers and distributors are responsible for safety and compliant labeling.
Continue with evidence
Choose the next useful step
Compare the product details or check the current official listing when you are ready.
Primary sources
Sources and verification
- FDA dietary supplements
- FDA questions and answers on supplements
- FDA label claims
- Official FitLine US product catalog
Last fact-checked: July 17, 2026. Product pages and physical labels remain the final source for SKU-specific facts.