Health & Caffeine Disclaimer

Q: How much caffeine is acceptable for most healthy adults?

For most healthy adults, roughly up to 400 mg/day is not generally associated with dangerous, negative effects, though individual sensitivity varies.

Q: How much caffeine during pregnancy?

Major medical groups advise keeping caffeine under 200 mg/day during pregnancy; consult your clinician for personalized guidance.

Q: Is caffeine okay for kids and teens?

Pediatric guidance is to avoid caffeine for children and to avoid energy drinks for all youth. Some sources suggest a practical limit of 100 mg/day for ages 12–18 if consumed.

Q: Does guarana contain caffeine?

Yes. Guarana naturally contains caffeine; see each product label for serving information.

The information on this page applies to all Mana Rush Guarana products and any remaining SuddenRush Guarana (SRG) items sold through this store. Our products contain naturally occurring caffeine from guarana. Always read each product label for serving guidance.

Important Safety Information

Adults: For most healthy adults, about 400 mg caffeine per day is an amount not generally associated with dangerous, negative effects. Individual sensitivity varies—monitor how you feel and reduce intake if needed. According to the U.S. FDA, for most healthy adults up to 400 mg of caffeine per day is an amount not generally associated with dangerous, negative effects. Individual sensitivity varies
Pregnancy / trying to conceive / breastfeeding: Major medical groups advise keeping caffeine under 200 mg/day. Talk with your clinician about what’s right for you.
Children & teens: Pediatric guidance is to avoid caffeine for children, and to avoid energy drinks for all children and teens. For ages 12–18, some pediatric sources suggest keeping total daily caffeine to ≤100 mg if consumed at all.
Medical conditions & medications: If you have heart conditions, anxiety disorders, insomnia, high blood pressure, or take medicines that may interact with stimulants, consult your healthcare professional before use.
Alcohol: Do not mix caffeine/energy products with alcohol.
Use as directed: Follow serving instructions on the label. Do not exceed suggested use.

Standard Dietary Supplement Notice

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FAQs about caffeine & guarana

How much caffeine is considered acceptable for most healthy adults?

Regulators indicate that roughly up to 400 mg/day is not generally linked with dangerous, negative effects for most healthy adults, though sensitivity varies widely. ^[1]

How much caffeine during pregnancy?

Leading OB-GYN guidance recommends <200 mg/day during pregnancy. Ask your clinician for personalized advice. ^[2][3]

Is caffeine okay for kids and teens?

Best practice is to avoid caffeine for children and to avoid energy drinks for all youth. Some pediatric sources

The information below applies to all Mana Rush Guarana products and any remaining SuddenRush Guarana (SRG) items sold through this store. Our products contain naturally occurring caffeine from guarana. Always read each product label for serving guidance.

Important Safety Information

Adults: For most healthy adults, about 400 mg of caffeine per day is an amount not generally associated with negative effects; sensitivity varies—adjust intake if needed. FDA
Pregnancy / trying to conceive / breastfeeding: Keep caffeine <200 mg/day unless your clinician advises otherwise. ACOG
Children & teens: Best practice is to avoid caffeine for children and to avoid energy drinks for all youth. Some pediatric sources suggest a practical limit of ≤100 mg/day for ages 12–18 if consumed at all. AAP, AACAP
Medical conditions & medications: If you have heart conditions, anxiety disorders, insomnia, high blood pressure, or take medicines that may interact with stimulants, consult your healthcare professional before use.
Alcohol: Do not mix caffeine/energy products with alcohol.
Use as directed: Follow serving instructions on the label. Do not exceed suggested use.

Caffeine Advisory

Contains naturally occurring caffeine from guarana. Individual tolerance varies; start with a smaller serving to assess your response. Do not combine with other sources of caffeine or stimulants.

Claims & DSHEA Notice

On this site you may see structure/function language such as “supports steady energy” or “helps with focus.”
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FAQs about caffeine & guarana

How much caffeine is acceptable for most healthy adults?

Regulators indicate that roughly up to 400 mg/day is not generally linked with dangerous, negative effects for most healthy adults, though sensitivity varies widely. FDA

How much caffeine during pregnancy?

Leading OB-GYN guidance recommends <200 mg/day during pregnancy. Ask your clinician for personalized advice. ACOG

Is caffeine okay for kids and teens?

Best practice is to avoid caffeine for children and to avoid energy drinks for all youth. Some pediatric sources suggest a practical limit of ≤100 mg/day for ages 12–18 if used. AAP, AACAP

Does guarana contain caffeine?

Yes. Guarana naturally contains caffeine; check each product page for serving information.

This page is for general information only and is not medical advice. Always consult your healthcare professional for guidance specific to you.

Last updated: September 15, 2025 (HST)

a practical limit of ≤100 mg/day for ages 12–18 if used. ^[4][5]

Does guarana contain caffeine?

Yes. Guarana naturally contains caffeine; check each product page for serving information.

This page is for general information only and is not medical advice. Always consult your healthcare professional for guidance specific to you.

Last updated: September 14, 2025 (HST)